scholarly journals An instance of Boiga dendrophila dendrophila (Boie, 1827) (Reptilia: Colubridae) being parasitized by Amblyomma helvolum Koch, 1844 (Acari: Ixodidae), with comments about the attachment sites of this tick species

Acarologia ◽  
2019 ◽  
Vol 59 (1) ◽  
pp. 115-119
Author(s):  
Jean-Jay Mao ◽  
Gerrut Norval ◽  
Richard G. Robbins ◽  
Siew Te Wong
Keyword(s):  
Tick Species ◽  
First Record ◽  
Attachment Sites ◽  
Tick Survival ◽  
Northeast Coast

Ectoparasites, such as ticks, may exhibit preferences for particular attachment sites on various hosts, since the choice of attachment sites may affect tick survival. Herein we report an instance of a mangrove snake, Boiga dendrophila dendrophila, being parasitized by the tick Amblyomma helvolum, with comments on this tick’s attachment sites. Our collection of A. helvolum appears to be the first record of this species from Sandakan, a city on the northeast coast of Borneo, in the Malaysian state of Sabah.

scholarly journals Rhipicephalus sanguineus sensu lato(Ixodidae) in synantropic rodents in Rio Grande do Sul, Brazil

2014 ◽  
Vol 23 (2) ◽  
pp. 276-279 ◽  
Author(s):  
Kathleen Tavares Winkel ◽  
Paulo Bretanha Ribeiro ◽  
Lidiane Oliveira Antunes ◽  
Marcial Corrêa Cárcamo ◽  
Élvia Elena Silveira Vianna
Keyword(s):  
Urban Areas ◽  
Tick Species ◽  
Rattus Rattus ◽  
Rio Grande ◽  
Rhipicephalus Sanguineus ◽  
First Record ◽  
Human Beings ◽  
Rio Grande Do Sul ◽  
Port Area ◽  
Rhipicephalus Sanguineus Sensu Lato

Rhipicephalus sanguineus, the brown dog tick, is responsible for maintaining and transmitting various pathogens, both in animals and human beings, and it is of great sanitary importance. This communication reports the first occurrence of Rhipicephalus sanguineus sensu lato parasitizing Rattus norvegicus in the state of Rio Grande do Sul, Brazil, and it is also the first record of this tick species parasitizing Rattus rattus in Brazil. The rodents were captured from the port area, located in the city of Pelotas, Rio Grande do Sul, Brazil. We collected 6 larvae of this tick species from 2 male R. rattus individuals, and 3 larvae from 2 female R. norvegicus individuals; parasitized specimens of both rodent species were captured from different sites within the experimental area. This record broadens the number of Rhipicephalus sanguineus sensu lato hosts in urban areas, indicating the need for continued monitoring on population density for both R. sanguineus and synanthropic rodents.

scholarly journals First record of Ornithodoros faccinii (Acari: Argasidae) on toads of genus Rhinella (Anura: Bufonidae) in Brazil

2018 ◽  
Author(s):  
Hermes Ribeiro Luz ◽  
Bruna Barboza Bezerra ◽  
Walter Flausino ◽  
Arlei Marcili ◽  
Sebastián Muñoz-Leal ◽  
...  
Keyword(s):  
16S Rrna ◽  
Tick Species ◽  
Rio De Janeiro ◽  
Bird Species ◽  
First Record ◽  
Molecular Approach ◽  
Phylogenetic Relatedness ◽  
Mitochondrial Sequence ◽  
First Time

Abstract Although a group of soft ticks (Argasidae) associated with amphibians was recently discovered in Brazilian rainforests, parasitism by these ticks on cold-blooded animals remains less common than on mammal and bird species. In this study, we identified ticks that were collected from toads that had been caught in December 2016 and January 2017, at Itinguçú waterfall (22°54’05” S; 43°53’30” W) in the municipality of Itaguaí, state of Rio de Janeiro. Tick specimens were identified using a morphological and molecular approach. In total, twelve larvae of Ornithodoros ticks were collected from three individuals of Rhinella ornata and were identified as Ornithodoros faccinii. Our results include a longer 16S rRNA mitochondrial sequence for O. faccinii that supports its phylogenetic relatedness to Ornithodoros saraivai, and we report this tick species parasitizing Rhinella toads for the first time in Brazil.

scholarly journals First record of Chaetacanthus magnificus (Polychaeta: Polynoidae) from the northeast coast of Brazil, with an overview of its taxonomic history

2013 ◽  
Vol 5 (1) ◽  
pp. 25-32
Author(s):  
Rafael Justino De Brito ◽  
José Eriberto De Assis ◽  
Martin Lindsey Christoffersen
Keyword(s):  
South America ◽  
New Record ◽  
Marine Invertebrates ◽  
First Record ◽  
Diverse Group ◽  
Rich Family ◽  
Taxonomic History ◽  
Northeastern Coast ◽  
Northeast Coast

Polynoidae is a diverse group of polychaetes known as scale-worms, found in different marine regions. However this rich family is little studied in Brazil, especially along the northeastern coast of the country. We report Chaetacanthus magnificus, a first record for the northeastern coast of Brazil, establish this species as valid, differentiating it from other synonyms found in several studies which report polychaetes in Central and South America. The polychaetes found by Project Algae of Paraíba are in the collection of Laboratory of Marine Invertebrates Paulo Young, Universidade Federal da Paraíba, Brazil.KEY WORDSPolychaetes, Polynoidae, scale-worm, South America, new record

FIRST RECORD OF LARVAL WATER MITES (ACARI: LEBERTIOIDEA: SPERCHONTIDAE) PARASITIC ON MOUNTAIN MIDGES (DIPTERA: DEUTEROPHLEBIIDAE)

1992 ◽  
Vol 124 (2) ◽  
pp. 421-423 ◽  
Author(s):  
Gregory W. Courtney ◽  
Ian M. Smith
Keyword(s):  
Life Cycle ◽  
First Record ◽  
Host Tissue ◽  
Immature Stages ◽  
Water Mites ◽  
Free Living ◽  
Attachment Sites ◽  
Lotic Habitats ◽  
Anterior Segments ◽  
Nearctic Region

Members of the Holarctic genus Sperchon Kramer are among the most common and widespread water mites in lotic habitats. Approximately 225 species and subspecies of Sperchon have been described worldwide (Viets 1987), and about 25 of them have been reported from North America (Habeeb 1967). Smith and Cook (1991) estimate that over 100 species, mostly undescribed, occur in the Nearctic region. Adults and deutonymphs of this genus are free-living predators (Smith and Oliver 1986; Proctor and Pritchard 1989). Larval Sperchon are typically parasites of adult nematocerous Diptera, especially Chironomidae (Smith 1982; Smith and Oliver 1976, 1986) and Simuliidae (Davies 1959; Smith and Oliver 1986), but have also been reported to use certain Trichoptera as hosts (Smith and Oliver 1986). Larvae of Sperchon are initially aquatic, and actively crawl or swim to locate the prepupae or pupae of appropriate hosts. They transfer to host adults during ecdysis, embed their chelicerae in host tissue, and engorge rapidly, often within a few hours, on fluids before dropping off the host and into the water where the life cycle continues. Larvae preferentially select attachment sites on the thorax of hosts, but can utilize sites on the anterior segments of the abdomen when thoracic sites are already occupied. Most larval Sperchon are evidently specialized to parasitize hosts whose immature stages inhabit stenothermal, lotic habitats. We report here on the first records of larval Sperchon parasitic on mountain midges.

scholarly journals A first record of Amblyomma dissimile (Acari: Ixodidae) parasitizing the lizard Ameiva ameiva (Teiidae) in Brazil

2010 ◽  
Vol 19 (4) ◽  
pp. 262-264 ◽  
Author(s):  
Suzana Gomes Lopes ◽  
Gilda Vasconcellos de Andrade ◽  
Lívio Martins Costa-Júnior
Keyword(s):  
Adult Female ◽  
Tick Species ◽  
First Record ◽  
The State ◽  
New Host ◽  
The Family

A non-engorged adult female Amblyomma dissimile and two Amblyomma sp. larvae were found parasitizing the lizard Ameiva ameiva in the municipality of Chapadinha, State of Maranhão. This is the first record in the state of Maranhão and fills a gap in the distribution of A. dissimile in Brazil. The lizard A. ameiva represents a new host for A. dissimile, and also the first record of this tick species infesting lizards of the family Teiidae in Brazil.

scholarly journals Amblyomma scalpturatum Neumann, 1906 (Acari: Ixodidae): confirmation in Acre State, Brazil, and description of parasitism in a human

2019 ◽  
Vol 28 (3) ◽  
pp. 473-478
Author(s):  
André de Abreu Rangel Aguirre ◽  
Vinícius da Silva Rodrigues ◽  
Ivaneide Nunes da Costa ◽  
Marcos Valério Garcia ◽  
Bárbara Guimarães Csordas ◽  
...  
Keyword(s):  
Life Cycle ◽  
Tick Species ◽  
New Records ◽  
First Record ◽  
Amazon Forest ◽  
Forest Fragments ◽  
Free Living ◽  
The North ◽  
Complete Life Cycle

Abstract Amblyomma scalpturatum is a tick species that is unique to South America. It is commonly associated with the Amazon biome and has been reported in some Brazilian states. This tick species exhibits host specificity: it parasitizes tapirs and suidae. Its role in transmitting pathogens to humans is still unknown. Amblyomma scalpturatum is known to be a human-biting tick; however, there is only one report showing that humans make suitable hosts for this species. The knowledge of tick fauna is lacking in the Acre State. This study collected free-living ticks with the aim of finding new records in Acre State. Collections were carried out in Amazon forest fragments in Rio Branco municipality. An A. scalpturatum specimen was identified and submitted sequencing of the ITS-2 gene. This study presents the first molecular confirmation of A. scalpturatum collected in situ in Acre State, North Region, Brazil. This study also presents the first record of a successfully completed feeding by an A. scalpturatum nymph on a human host in the North region of Brazil. Further investigation is needed to ascertain the complete life cycle of this tick species, its seasonality in the environment, and its relationship to pathogens and competence to transmit them.

scholarly journals Ticks (Acari: Ixodidae) infesting cattle and African buffaloes in the Tsavo conservation area, Kenya

2012 ◽  
Vol 79 (1) ◽  
Author(s):  
Edward K. Kariuki ◽  
Barend L. Penzhorn ◽  
Ivan G. Horak
Keyword(s):  
Tick Species ◽  
Ixodid Tick ◽  
Sensu Stricto ◽  
Conservation Area ◽  
Locality Record ◽  
Hyalomma Truncatum ◽  
Attachment Sites ◽  
Rhipicephalus Pulchellus ◽  
Rhipicephalus Evertsi Evertsi ◽  
Hyalomma Rufipes

Several ixodid tick species are shared between domestic cattle and African buffaloes (Syncerus caffer). So too, are a number of tick-borne diseases. The aim of the study was to compare the species composition of ticks that infest cattle and buffaloes utilising the same habitat within the Tsavo Conservation Area, Kenya. To this end, 25 cattle and 62 buffaloes were each opportunistically sampled for ticks on a single occasion in February 2010. Eight species, namely Amblyomma gemma, Amblyomma lepidum, Hyalomma albiparmatum, Hyalomma rufipes, Hyalomma truncatum, Rhipicephalus evertsi evertsi, Rhipicephalus pravus and Rhipicephalus pulchellus infested both cattle and buffaloes. Three species, Rhipicephalus (Boophilus) sp., Rhipicephalus kochi, and Rhipicephalus muehlensi were collected only from cattle, and three species, Hyalomma impeltatum, Rhipicephalus humeralis and Rhipicephalus praetextatus were present only on buffaloes. The attachment sites of the various tick species were also recorded. New locality records for H. impeltatum and H. truncatum and the first confirmed locality record for Rhipicephalus praetextatus sensu stricto in Kenya were documented.

scholarly journals New host records for Amblyomma rotundatum (Acari: Ixodidae) from Grussaí restinga, Rio de Janeiro, Brazil

2012 ◽  
Vol 21 (3) ◽  
pp. 319-322 ◽  
Author(s):  
Lúcio André Viana ◽  
Gisele Regina Winck ◽  
Marlon Almeida-Santos ◽  
Felipe Bottona da Silva Telles ◽  
Gilberto Salles Gazêta ◽  
...  
Keyword(s):  
Life Cycle ◽  
Adult Female ◽  
Tick Species ◽  
Rio De Janeiro ◽  
First Record ◽  
New Host ◽  
Reptile Species ◽  
Hemidactylus Mabouia ◽  
New Host Records

Amblyomma rotundatum Koch is a parthenogenetic tick usually associated with reptiles and amphibians. However, relatively few studies on occurrences of ticks in wild reptile populations in Brazil have been produced. The aim of this study was to analyze the presence of ticks associated with reptile species in the Grussaí restinga, in the municipality of São João da Barra, state of Rio de Janeiro, Brazil. Between December 2010 and January 2011, 131 individuals belonging to nine species of reptiles of the order Squamata were sampled: the lizards Tropidurus torquatus (n = 51), Hemidactylus mabouia (n = 25), Mabuya agilis (n = 30), Mabuya macrorhyncha (n = 6), Cnemidophorus littoralis (n = 5) and Ameiva ameiva (n = 10); and the snakes Philodryas olfersii (n = 2), Oxyrhopus rhombifer (n = 1) and Micrurus corallinus (n = 1). The only tick species found to be associated with any of the reptiles sampled was A. rotundatum. One adult female was detected on one individual of the lizard A. ameiva, one nymph on one individual of the lizard T. torquatus and four nymphs on one individual of the snake P. olfersii. This study is the first record of parasitism of A. rotundatum involving the reptiles T. torquatus and P. olfersii as hosts. Our results suggest that in the Grussaí restinga habitat, A. rotundatum may use different species of reptiles to complete its life cycle.

scholarly journals Skeleton and musculature of the male abdomen in Tanyderidae (Diptera, Nematocera) of the Southern Hemisphere

ZooKeys ◽  
2018 ◽  
Vol 809 ◽  
pp. 55-77
Author(s):  
Olga G. Ovtshinnikova ◽  
Tatiana V. Galinskaya ◽  
Elena D. Lukashevich
Keyword(s):  
Southern Hemisphere ◽  
Intermediate Stage ◽  
First Record ◽  
Published Data ◽  
Muscle Attachment ◽  
Attachment Sites ◽  
Segment Viii ◽  
Tergite Viii ◽  
Muscle Attachment Sites

The structure of the male terminalia and their musculature of species of tanyderid generaAraucoderusAlexander, 1929 from Chile andNothoderusAlexander, 1927 from Tasmania are examined and compared with each other and with published data on the likely relatives. The overall pattern of male terminalia of both genera is similar to those of most Southern Hemisphere genera, with simple curved gonostyli, lobe-like setose parameres, and setose cerci inconspicuous under the epandrium. Both genera have terminalia similarly rotated by 180° (and 90° as an intermediate stage); rotation may be either clockwise or counterclockwise. However, the similar patterns are realized differently: segment VIII is the decreased and asymmetrical due to completely membranose tergite VIII inNothoderus(the first record of such modification in Tanyderidae), but narrow and symmetrical inAraucoderus. Accordingly, pregenital muscles are very different between the genera. Based on localization of muscle attachment sites, the hypandrial origin of the stripe between gonocoxites is shown in both genera, and entire membranization of tergite VIII and partial membranization of hypoproct is shown inNothoderus. Tanyderidae are characterized by highly specialized sclerites and muscles of male terminalia and provide no evidence of relationship with previously studied members of Psychodidae, Blephariceridae and Ptychopteridae.

Parasitism of Apteropanorpa tasmanica Carpenter (Mecoptera: Apteropanorpidae) by larval Leptus agrotis Southcott (Acari: Erythraeidae) and Willungella rufusanus sp. nov. (Acari: Microtrombidiidae)

Zootaxa ◽  
2011 ◽  
Vol 2925 (1) ◽  
pp. 19 ◽  
Author(s):  
OWEN D. SEEMAN ◽  
CHRISTOPHER M. PALMER
Keyword(s):  
First Record ◽  
The Other ◽  
Field Surveys ◽  
Male And Female ◽  
First Report ◽  
Attachment Sites ◽  
Laboratory Investigations

The Apteropanorpidae is a family of wingless scorpionflies endemic to Tasmania, comprising four described species in the genus Apteropanorpa Carpenter. Intensive field surveys for adult Apteropanorpa conducted from April to May 2002 revealed the presence of ectoparasitic mites, parasitising many individuals of Apteropanorpa tasmanica Carpenter at four localities. Laboratory investigations revealed the presence of one species from each of the Erythraeidae and Microtrombidiidae parasitising adults: Leptus agrotis Southcott and Willungella rufusanus sp. nov., respectively. The larvae of W. rufusanus are described. Laboratory investigations of attachment sites and parasite loads of male and female scorpionflies are described and discussed. Results show neither sex was parasitised more than the other, and that up to four mites parasitised individual scorpionflies, although most adults supported one or two mites. Like many other Leptus species, all L. agrotis larvae attached to sclerites, whereas all W. rufusanus larvae attached to membranous areas. Larval W. rufusanus were predominantly attached to the scorpionfly abdomen; however, larval L. agrotis were more evenly distributed on the scorpionfly body. These data are the first records of parasitism in the Apteropanorpidae, and the first report of parasitism of Mecoptera in Australia. Parasitism of A. tasmanica by W. rufusanus is the first record of a mecopteran as a host for larval microtrombidiine mites. Parasite records for the Mecoptera are summarised.

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