Egg-Dumping Behavior Is Not Correlated With Wider Host Acceptance in the Seed Beetle Callosobruchus maculatus (Coleoptera: Chrysomelidae: Bruchinae)

2011 ◽  
Vol 104 (4) ◽  
pp. 850-856 ◽  
Author(s):  
Frank J. Messina ◽  
Charles W. Fox
Keyword(s):  
Callosobruchus Maculatus ◽  
Host Acceptance ◽  
Seed Beetle ◽  
Egg Dumping

Genetic Modification of Host Acceptance by a Seed Beetle, Callosobruchus maculatus (Coleoptera: Bruchidae)

2009 ◽  
Vol 102 (1) ◽  
pp. 181-188 ◽  
Author(s):  
Frank J. Messina ◽  
Jake C. Jones ◽  
Michelle Mendenhall ◽  
Amberleigh Muller
Keyword(s):  
Genetic Modification ◽  
Callosobruchus Maculatus ◽  
Host Acceptance ◽  
Seed Beetle

Mode of inheritance of increased host acceptance in a seed beetle

2012 ◽  
Vol 102 (5) ◽  
pp. 497-503 ◽  
Author(s):  
F.J. Messina ◽  
N.M. Peña
Keyword(s):  
Mung Bean ◽  
Time Course ◽  
Callosobruchus Maculatus ◽  
Host Acceptance ◽  
New Host ◽  
Genetic Changes ◽  
Seed Beetle ◽  
Adult Performance ◽  
Cytoplasmic Effects ◽  
Mode Of Inheritance

AbstractColonization of a novel plant by herbivorous insects is frequently accompanied by genetic changes that progressively improve larval or adult performance on the new host. This study examined the genetic basis of adaptation to a marginal host (lentil) by the seed beetle Callosobruchus maculatus (F.). Quasi-natural selection in the laboratory rapidly increased the tendency to oviposit on lentil. The mode of inheritance of this increase in host acceptance was determined from crosses between three lentil-adapted lines and a line maintained on the ancestral host, mung bean. In each set of crosses, females from the lentil lines laid two to three times more eggs on lentil than did females from the mung-bean line. Hybrid females consistently displayed an intermediate level of host acceptance, which did not differ between reciprocal crosses. Alleles promoting greater oviposition on lentil thus were inherited additively, with no evidence of sex-linkage or cytoplasmic effects. In a time-course study, hybrid females initially resembled the parent from the mung-bean line, as few eggs were laid on lentil during the first 24 h. However, oviposition rates on lentil after 72 h were closer to the rate observed in the lentil-line parent. Inferences about additivity vs. dominance in genes affecting oviposition may, therefore, depend on experimental protocol. Comparison with earlier work suggests that inheritance patterns observed in crosses between recently derived selection lines (as in this study) may differ from those obtained in crosses between long-divergent geographic populations.

scholarly journals Stagewise resolution of temperature-dependent embryonic and postembryonic development in the cowpea seed beetle Callosobruchus maculatus (F.)

BMC Ecology ◽  
2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Dmitry Kutcherov
Keyword(s):  
Callosobruchus Maculatus ◽  
Thermal Sensitivity ◽  
Postembryonic Development ◽  
Confocal Imaging ◽  
Temperature Dependent ◽  
Destructive Sampling ◽  
Thermal Thresholds ◽  
Seed Beetle ◽  
Thermal Plasticity ◽  
Cowpea Seed

Abstract Background The thermal plasticity of life-history traits receives wide attention in the recent biological literature. Of all the temperature-dependent traits studied, developmental rates of ectotherms are especially often addressed, and yet surprisingly little is known about embryonic responses to temperature, including changes in the thermal thresholds and thermal sensitivity during early development. Even postembryonic development of many cryptically living species is understood superficially at best. Results This study is the first to estimate the exact durations of developmental stages in the cowpea seed beetle C. maculatus from oviposition to adult emergence at five permissive constant temperatures from 20 to 32 °C. Early embryonic development was tracked and documented by means of destructive sampling and subsequent confocal imaging of fluorescently stained specimens. Late embryonic and early larval development was studied with the use of destructive sampling and light microscopy. Well-resolved temporal series based on thousands of embryos allowed precise timing of the following developmental events: formation of the blastoderm; formation, elongation, and retraction of the germ band; dorsal closure; the onset and completion of sclerotization of the cuticle; hatching, and penetration of the first-instar larva into the cowpea seed. Pupation and adult eclosion were observed directly through an incision in the seed coat. The thermal phenotype of C. maculatus was found to vary in the course of ontogeny and different stages scaled disproportionately with temperature, but pitfalls and caveats associated with analyses of relative durations of individual stages are also briefly discussed. Conclusion Disproportionate changes in developmental durations with temperature may have important implications when study design requires a high degree of synchronization among experimental embryos or when the occurrence of particular stages in the field is of interest, as well as in any other cases when development times need to be estimated with precision. This work provides one of the first examples of integration of embryological techniques with ecophysiological concepts and will hopefully motivate similar projects in the future. While experiments with Drosophila continue to be the main source of information on animal development, knowledge on other model species is instrumental to building a broader picture of developmental phenomena.

scholarly journals Sexual conflict and correlated evolution between male persistence and female resistance traits in the seed beetle Callosobruchus maculatus

2017 ◽  
Vol 284 (1855) ◽  
pp. 20170132 ◽  
Author(s):  
Liam R. Dougherty ◽  
Emile van Lieshout ◽  
Kathryn B. McNamara ◽  
Joe A. Moschilla ◽  
Göran Arnqvist ◽  
...  
Keyword(s):  
Sexual Conflict ◽  
Male Genitalia ◽  
Callosobruchus Maculatus ◽  
Negative Relationship ◽  
Female Reproductive Tract ◽  
Female Resistance ◽  
Correlated Evolution ◽  
Male And Female ◽  
Seed Beetle ◽  
Trade Offs

Traumatic mating (or copulatory wounding) is an extreme form of sexual conflict whereby male genitalia physically harm females during mating. In such species females are expected to evolve counter-adaptations to reduce male-induced harm. Importantly, female counter-adaptations may include both genital and non-genital traits. In this study, we examine evolutionary associations between harmful male genital morphology and female reproductive tract morphology and immune function across 13 populations of the seed beetle Callosobruchus maculatus . We detected positive correlated evolution between the injuriousness of male genitalia and putative female resistance adaptations across populations. Moreover, we found evidence for a negative relationship between female immunity and population productivity, which suggests that investment in female resistance may be costly due to the resource trade-offs that are predicted between immunity and reproduction. Finally, the degree of female tract scarring (harm to females) was greater in those populations with both longer aedeagal spines and a thinner female tract lining. Our results are thus consistent with a sexual arms race, which is only apparent when both male and female traits are taken into account. Importantly, our study provides rare evidence for sexually antagonistic coevolution of male and female traits at the within-species level.

scholarly journals Mating Changes Sexually Dimorphic Gene Expression in the Seed Beetle Callosobruchus maculatus

2017 ◽  
Vol 9 (3) ◽  
pp. 677-699 ◽  
Author(s):  
Elina Immonen ◽  
Ahmed Sayadi ◽  
Helen Bayram ◽  
Göran Arnqvist
Keyword(s):  
Gene Expression ◽  
Callosobruchus Maculatus ◽  
Sexually Dimorphic ◽  
Seed Beetle ◽  
Dimorphic Gene Expression

scholarly journals Beyond fecundity and longevity: trade-offs between reproduction and survival mediated by behavioural responses of the seed beetle, Callosobruchus maculatus

2005 ◽  
Vol 0 (0) ◽  
pp. 050930084535008-??? ◽  
Author(s):  
Chi-Chun Huang ◽  
Rou-Ling Yang ◽  
How-Jing Lee ◽  
Shwu-Bin Horng
Keyword(s):  
Callosobruchus Maculatus ◽  
Seed Beetle ◽  
Behavioural Responses ◽  
Trade Offs

Egg dumping and life history strategy of Callosobruchus maculatus

2004 ◽  
Vol 29 (1) ◽  
pp. 26-31 ◽  
Author(s):  
Mei-Hui Wang ◽  
Shwu-Bin Horng
Keyword(s):  
Life History ◽  
Callosobruchus Maculatus ◽  
Life History Strategy ◽  
Egg Dumping
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