scholarly journals Brood parasitism in eusocial insects (Hymenoptera): role of host geographical range size and phylogeny

2019 ◽  
Vol 374 (1769) ◽  
pp. 20180203 ◽  
Author(s):  
Jukka Suhonen ◽  
Jaakko J. Ilvonen ◽  
Tommi Nyman ◽  
Jouni Sorvari
Keyword(s):  
Brood Parasitism ◽  
Range Size ◽  
Geographical Range ◽  
Social Parasite ◽  
Brood Parasite ◽  
Social Parasites ◽  
Brood Parasites ◽  
Eusocial Insects ◽  
Interspecific Brood Parasitism ◽  
Logistic Regressions

Interspecific brood parasitism is common in many animal systems. Brood parasites enter the nests of other species and divert host resources for producing their own offspring, which can lead to strong antagonistic parasite–host coevolution. Here, we look at commonalities among social insect species that are victims of brood parasites, and use phylogenetic data and information on geographical range size to predict which species are most probably to fall victims to brood parasites in the future. In our analyses, we focus on three eusocial hymenopteran groups and their brood parasites: (i) bumblebees, (ii) Myrmica ants, and (iii) vespine and polistine wasps. In these groups, some, but not all, species are parasitized by obligate workerless inquilines that only produce reproductive-caste descendants. We find phylogenetic signals for geographical range size and the presence of parasites in bumblebees, but not in ants and wasps. Phylogenetic logistic regressions indicate that the probability of being attacked by one or more brood parasite species increases with the size of the geographical range in bumblebees, but the effect is statistically only marginally significant in ants. However, non-phylogenetic logistic regressions suggest that bumblebee species with the largest geographical range sizes may have a lower likelihood of harbouring social parasites than do hosts with medium-sized ranges. Our results provide new insights into the ecology and evolution of host–social parasite systems, and indicate that host phylogeny and geographical range size can be used to predict threats posed by social parasites, as well to design efficient conservation measures for both hosts and their parasites. This article is part of the theme issue ‘The coevolutionary biology of brood parasitism: from mechanism to pattern’.

scholarly journals Parasitic cuckoo catfish exploit parental responses to stray offspring

2019 ◽  
Vol 374 (1769) ◽  
pp. 20180412 ◽  
Author(s):  
M. Polačik ◽  
M. Reichard ◽  
C. Smith ◽  
R. Blažek
Keyword(s):  
Brood Parasitism ◽  
Lake Tanganyika ◽  
Buccal Cavity ◽  
Brood Parasite ◽  
Theme Issue ◽  
Brood Parasites ◽  
Parental Response ◽  
Interspecific Brood Parasitism ◽  
Late Developmental Stage ◽  
Parental Responses

Interspecific brood parasitism occurs in several independent lineages of birds and social insects, putatively evolving from intraspecific brood parasitism. The cuckoo catfish, Synodontis multipunctatus , the only known obligatory non-avian brood parasite, exploits mouthbrooding cichlid fishes in Lake Tanganyika, despite the absence of parental care in its evolutionary lineage (family Mochokidae). Cuckoo catfish participate in host spawning events, with their eggs subsequently collected and brooded by parental cichlids, though they can later be selectively rejected by the host. One scenario for the origin of brood parasitism in cuckoo catfish is through predation of cichlid eggs during spawning, eventually resulting in a spatial and temporal match in oviposition by host and parasite. Here we demonstrate experimentally that, uniquely among all known brood parasites, cuckoo catfish have the capacity to re-infect their hosts at a late developmental stage following egg rejection. We show that cuckoo catfish offspring can survive outside the host buccal cavity and re-infect parental hosts at a later incubation phase by exploiting the strong parental instinct of hosts to collect stray offspring. This finding implies an alternative evolutionary origin for cuckoo catfish brood parasitism, with the parental response of host cichlids facilitating its evolution. This article is part of the theme issue ‘The coevolutionary biology of brood parasitism: from mechanism to pattern’.

scholarly journals The ghosts of parasitism past: lingering frontline anti-brood parasite defences in a former host

2021 ◽  
Author(s):  
Matthew H J Chaumont ◽  
Naomi E Langmore ◽  
Justin A Welbergen
Keyword(s):  
Brood Parasitism ◽  
Species Interactions ◽  
Egg Laying ◽  
Arms Race ◽  
Fine Tuning ◽  
Brood Parasite ◽  
Reed Warbler ◽  
Arms Races ◽  
Brood Parasites ◽  
Defensive Behaviors

Abstract Coevolutionary arms races between brood parasites and hosts provide tractable systems for understanding antagonistic coevolution in nature; however, little is known about the fate of frontline antiparasite defences when the host ‘wins’ the coevolutionary arms race. By recreating bygone species-interactions, using artificial parasitism experiments, lingering defensive behaviors that evolved in the context of parasitism can be understood and may even be used to identify the unknown agent of parasitism past. Here we present the first study of this type by evaluating lingering “frontline” nest defences that have evolved to prevent egg laying in a former brood parasite host. The Australian reed warbler Acrocephalus australis, is currently not parasitized but is known to exhibit fine-tuned egg discrimination—a defensive behavior indicative of a past brood parasite-host arms race and common in closely related parasitized species. Here, using 3 D-printed models of adult brood parasites, we examined whether the Australian reed warbler also exhibits frontline defences to adult brood parasites, and whether we could use these defences to identify the warbler’s “ghost of parasitism past”. Our findings provide evidence that the Australian reed warbler readily engages in frontline defences that are considered adaptive specifically in the context of brood parasitism. However, individuals were unable to discriminate between adults of different brood parasite species at their nest. Overall, our results demonstrate that despite a relaxation in selection, defences against brood parasitism can be maintained across multiple stages of the host’s nesting cycle, and further suggest that, in accordance with previous findings, that learning may be important for fine-tuning frontline defence.

scholarly journals Under the radar: detection avoidance in brood parasitic bees

2019 ◽  
Vol 374 (1769) ◽  
pp. 20180196 ◽  
Author(s):  
Jessica R. Litman
Keyword(s):  
Brood Parasitism ◽  
Solitary Bees ◽  
General Context ◽  
Brood Parasite ◽  
Theme Issue ◽  
Evolutionary Transitions ◽  
Brood Parasites ◽  
Selective Pressures ◽  
Specialized Form ◽  
Fierce Competition

Brood parasitism is a specialized form of parasitism in which the offspring of a parasite develops on the food provisions gathered by a host species for its own young. Obligate brood parasitic lineages have lost the ability to acquire provisions for their young and thus rely entirely on the location of an appropriate host to serve as a food-provider. Solitary bees provide some of the most fascinating examples of brood parasitism in animals. Most solitary bees build and provision their own nests. Some, however, usurp the nests of other species of bees. These brood parasites, or ‘cuckoo’ bees, deposit their eggs on the pollen provisions collected by a host bee for her own offspring. The provisions stored by the host bee are not sufficient to sustain the development of both the host's larva and that of the brood parasite and the parasite must kill the offspring of its host in order to obtain enough nourishment to complete its development. As a consequence, there is fierce competition between the host bee seeking to protect her nest from attack and the brood parasite seeking to avoid detection by the host in order to successfully deposit her eggs in an appropriate nest. In this paper, I review the behaviours that allow brood parasitic bees to escape detection by their hosts. Identifying these behaviours, and placing them within the general context of strategies employed by brood parasitic bees to parasitize the nests of their hosts, is key to understanding how brood parasitic lineages may have evolved from nest-building ancestors, decrypting the selective pressures that drive evolutionary transitions from one strategy to another and, more broadly, revealing how similar selective pressures in widely divergent lineages of animals have given rise to remarkably convergent behaviours. This article is part of the theme issue ‘The coevolutionary biology of brood parasitism: from mechanism to pattern’.

scholarly journals Egg Discrimination in the Yellowhammer

The Condor ◽  
2004 ◽  
Vol 106 (2) ◽  
pp. 405-410 ◽  
Author(s):  
Petr Procházka ◽  
Marcel Honza
Keyword(s):  
Brood Parasitism ◽  
Host Responses ◽  
Brood Parasite ◽  
Cuculus Canorus ◽  
The Czech Republic ◽  
Egg Discrimination ◽  
Emberiza Citrinella ◽  
Interspecific Brood Parasitism ◽  
Egg Mimicry ◽  
A Minor

Abstract In a coevolutionary arms race between a brood parasite and its host, both species evolve adaptations and counteradaptations, such as egg mimicry and egg discrimination. The Yellowhammer (Emberiza citrinella) is a minor host of the Common Cuckoo (Cuculus canorus) in Europe. We studied egg discrimination in the Yellowhammer in the Czech Republic where it is parasitized only occasionally. To investigate host responses to parasitic eggs, we added either a nonmimetic (blue) or a mimetic (conspecific) egg to 50 nests. The hosts rejected nonmimetic eggs at a higher rate (92%) than mimetic eggs (32%). Neither intraclutch variation nor contrast between mimetic and host eggs had a significant effect on rejection behavior. There is no evidence for intraspecific brood parasitism in this species. The ability to reject mimetic eggs has therefore most likely evolved as an adaptation against interspecific brood parasitism and may be the reason why the Yellowhammer is parasitized only occasionally. Discriminación de Huevos en Emberiza citrinella Resumen. En una carrera armamentista co-evolutiva entre un ave parásita y su hospedador es previsible que ambas especies desarrollen adaptaciones y contraadaptaciones tales como el ovomimetismo y la ovodiscriminación. Emberiza citrinella es un huésped menor de Cuculus canorus en Europa. Estudiamos la capacidad discriminatoria de los huevos, por parte de Emberiza citrinella, en la República Checa, donde la especie es parasitada sólo ocasionalmente. Con objeto de investigar la respuesta del hospedador a los huevos parásitos, añadimos un huevo no mimético (azul) o uno mimético (coespecífico) a 50 nidos. El hospedador rechazó los huevos no miméticos en una proporción más elevada (92%) que los miméticos (32%). Ni la variación de la apariencia del huevo dentro de la puesta, ni el contraste entre los huevos miméticos y los del hospedador, parecen tener algún efecto significativo en el comportamiento de rechazo. No hay evidencias de la existencia de parasitismo intraespecífico en esta especie. Por tanto, la habilidad de Emberiza citrinella para rechazar huevos miméticos probablemente ha evolucionado como una adaptación contra el parasitismo interespecífico y esta puede ser la razón de por qué la especie es parasitada sólo de manera ocasional.

scholarly journals Fast and furious: host aggression modulates behaviour of brood parasites

2020 ◽  
Author(s):  
Václav Jelínek ◽  
Michal Šulc ◽  
Gabriela Štětková ◽  
Marcel Honza
Keyword(s):  
Brood Parasitism ◽  
Egg Laying ◽  
Nest Defence ◽  
Great Reed Warbler ◽  
Acrocephalus Arundinaceus ◽  
Brood Parasite ◽  
Cuculus Canorus ◽  
Common Cuckoo ◽  
Brood Parasites ◽  
The Common

ABSTRACTAvian brood parasites pose a serious threat for hosts, substantially reducing their fitness which selects for the evolution of host defences. A classic example of a host frontline defence is mobbing which frequently includes contact attacking of brood parasites. Here, we investigated how the nest defence of a very aggressive great reed warbler (Acrocephalus arundinaceus) host influences the speed of egg-laying and egg-removing behaviour of its brood parasite – the common cuckoo (Cuculus canorus). We video-recorded 168 brood parasitic events at 102 active host nests and found that cuckoos avoided host mobbing in only 62% of cases. If hosts spotted the cuckoo at their nests, they almost always attacked it (in 91 of 104 cases), however, such attacks only rarely and temporarily prevented cuckoos from parasitizing (11 additional cases). When attacked, cuckoos parasitized host nests significantly faster and left them immediately. However, when not attacked, cuckoos frequently stayed at or near the nest suggesting that host aggression, rather than the risk of being spotted, influences the speed of brood parasitism in this species. Further, we found that cuckoos performed egg-removing behaviour in all parasitic events without regard to host aggression. As a result, cuckoos removed at least one egg during all brood parasitism events except those when an egg slipped from their beaks and fell back into the nest (in 9 of 73 cases). This indicates that egg-removing behaviour is not costly for the common cuckoo and is an essential part of its parasitism strategy, widening understanding of this currently unexplained behaviour.

scholarly journals The brood parasite's guide to inclusive fitness theory

2019 ◽  
Vol 374 (1769) ◽  
pp. 20180198 ◽  
Author(s):  
Ros Gloag ◽  
Madeleine Beekman
Keyword(s):  
Brood Parasitism ◽  
Social Behaviour ◽  
Inclusive Fitness ◽  
Alloparental Care ◽  
Brood Parasite ◽  
Brood Parasites ◽  
Inclusive Fitness Theory ◽  
Kin Structure ◽  
Host Evolution ◽  
Reproductive Tactic

Hamilton's theory of inclusive fitness provides a framework for understanding the evolution of social behaviour between kin, including parental and alloparental care. Brood parasitism is a reproductive tactic in which parasites exploit the care of other individuals of the same species (conspecific parasitism) or different species (interspecific parasitism) to rear their brood. Here, drawing from examples in birds and social insects, we identify two insights into brood parasitism that stem from inclusive fitness theory. First, the kin structure within nests, or between neighbouring nests, can create a niche space favouring the evolution of conspecific parasitism. For example, low average relatedness within social insect nests can increase selection for reproductive cheats. Likewise, high average relatedness between adjacent nests of some birds can increase a female's tolerance of parasitism by her neighbour. Second, intrabrood conflict will be high in parasitized broods, from the perspective of both parasite and host young, relative to unparasitized broods. We also discuss offspring recognition by hosts as an example of discrimination in a kin-selected social behaviour. We conclude that the inclusive fitness framework is instructive for understanding aspects of brood parasite and host evolution. In turn, brood parasites present some unique opportunities to test the predictions of inclusive fitness theory.This article is part of the theme issue ‘The coevolutionary biology of brood parasitism: from mechanism to pattern’.

scholarly journals Laying Plasticity in an Avian Brood Parasite

The Auk ◽  
2005 ◽  
Vol 122 (2) ◽  
pp. 566-570
Author(s):  
Dan W. Forman
Keyword(s):  
Parental Care ◽  
Brood Parasitism ◽  
Bird Species ◽  
Behavioral Development ◽  
Geographic Range ◽  
Brood Parasite ◽  
Vertebrate Species ◽  
Conspecific Brood Parasitism ◽  
Brood Parasites ◽  
Ecological Conditions

Abstract Females of some bird species “steal“ the parental care of other breeding individuals by laying eggs parasitically in their nests. In most populations, conspecific brood parasites lay parasitically before laying in their own nests. By contrast, in a young and expanding Common Moorhen (Gallinula chloropus) population, 17.4% (n = 8) of brood parasites laid parasitically when their own clutches were currently being incubated, and 13.1% (n = 6) laid parasitically when they were tending to their young. This result differs from previous data on conspecific brood parasitism in this (and other) avian species and suggests that sitespecific ecological conditions exert differing selective influences on the behavioral development of populations. The behavior adopted by individual vertebrate species may not, therefore, be rigidly fixed throughout their geographic range.

scholarly journals Threat recognition and response in an avian brood-parasite host from New Caledonia

2020 ◽  
Author(s):  
Alfredo Attisano ◽  
Kasper Hlebowicz ◽  
Roman Gula ◽  
Jörn Theuerkauf
Keyword(s):  
Brood Parasitism ◽  
Nest Predation ◽  
New Caledonia ◽  
Brood Parasite ◽  
Brood Parasites ◽  
New Caledonian Crow ◽  
Caledonian Crow ◽  
Threat Recognition ◽  
Recognition And Response ◽  
Nest Predator

Abstract Nest predation and avian brood parasitism are the main sources of nest failure in many passerine birds. Large predators threaten both brood and parents, whereas brood parasites pose only a danger to eggs or nestlings. The fan-tailed gerygone Gerygone flavolateralis from New Caledonia is subjected to high rates of nest predation by the New Caledonian crow Corvus moneduloides (responsible for about 20–40% of predation) and moderate rates of brood parasitism by the shining bronze-cuckoo Chalcites lucidus (parasitizing about 18% of nests), which also depredates nests that are too advanced for parasitism (13% of nests). To test if fan-tailed gerygones are able to discriminate predators from brood parasites, we presented 3 bird models at active gerygone nests: a brood parasite/small nest predator (shining bronze-cuckoo), a large nest predator (crow), and a small non-native bird (common chaffinch Fringilla coelebs), which is unknown to the gerygone, as a control. We assessed the response of adult gerygones to the presentation of each model by measuring the minimum approach distance, number of alarm calls, number of attacks, and time to first nest visit after the presentation (latency). Adult gerygones often attacked the cuckoo, approached but never attacked the chaffinch and always avoided the crow. Latency was shorter after an attack response and during brooding, but similar among models. We did not find any link between the cuckoo model presentation and later ejection of cuckoo nestlings. We conclude that adult fan-tailed gerygones discriminate between different models and respond accordingly to the level of threat, but do not show awareness of parasitism risk and increase of nestling ejection rates following exposure to the cuckoo model.

scholarly journals Evidence for Interspecific Brood Parasite Detection and Removal in Burying Beetles

2018 ◽  
Vol 2018 ◽  
pp. 1-7
Author(s):  
Ashlee N. Smith ◽  
Mark C. Belk
Keyword(s):  
Brood Parasitism ◽  
Adaptive Response ◽  
Brood Parasite ◽  
Burying Beetles ◽  
Selective Force ◽  
Mixed Species ◽  
Brood Parasites ◽  
Parasite Detection ◽  
Nicrophorus Marginatus

We tested whether brood parasitism could be successful between two co-occurring species of burying beetles, Nicrophorus guttula and Nicrophorus marginatus, and whether these species exhibit an adaptive response to brood parasitism by detecting and removing parasites. We cross-fostered larvae between broods of the two species and created mixed-species broods to simulate the addition of brood parasites. Brood parasites survived in both species’ broods. Nicrophorus marginatus culled 86% of brood parasites compared to 56% of their own larvae, and N. guttula culled 50% of brood parasites compared to 22% of their own larvae. Additionally, N. guttula brood parasites were significantly smaller than N. guttula that were raised by N. guttula parents, but N. marginatus brood parasites were significantly larger than N. marginatus that were raised by N. marginatus parents. This paper provides the first evidence that burying beetles can discriminate between their own larvae and other species’ larvae. We suggest that brood parasitism may be the selective force responsible for this ability.

scholarly journals Cases of occasional interspecific brood parasitism and egg dumping in Hungary

2019 ◽  
Vol 27 (2) ◽  
pp. 115-141
Author(s):  
László Haraszthy
Keyword(s):  
Brood Parasitism ◽  
Brood Parasite ◽  
Coracias Garrulus ◽  
Passer Montanus ◽  
Egg Dumping ◽  
Interspecific Brood Parasitism ◽  
Sitta Europaea ◽  
Eurasian Tree Sparrow ◽  
The Common ◽  
European Roller

Abstract There are numerous publications in the ornithological literature on mixed-species broods, i.e. on cases when a species lays some or all of its eggs into the nests of other species. This phenomenon, known as brood parasitism, has not yet been studied in Hungary. Here, I use the term brood parasitism, but I could not separate cases of egg dumping, a reproductive error by females. Based on literature and my own observations, I found evidence for interspecific brood parasitism in 28 species breeding in Hungary, not including the cases of the obligate interspecific brood parasite, the Common Cuckoo (Cuculus canorus). Only one of these belongs to passerines, while in the rest of the cases, this phenomenon occurred in representatives of non-passerine families. However, cases of brood parasitism and nest parasitism have to be treated separately. The latter refers to cases when a species occupies a nest, usually a nesthole or nestbox, already containing eggs of another species, and lays its own eggs next to the foreign eggs. The present study provides data on European Roller (Coracias garrulus), Northern Goshawk (Accipiter gentilis), Common Kestrel (Falco tinnunculus), Red-footed Falcon (Falco vespertinus), Eurasian Hobby (Falco subbuteo), tit species (Parus, Cyanistes, Poecile spp.), Eurasian Nuthatch (Sitta europaea) and Eurasian Tree Sparrow (Passer montanus), but in all likelihood the number of species involved is much higher.

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