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@article{2305341,
author = {Bartonička, Tomáš and Křemenová, Jana and Balvín, Ondřej and Šimek, Zdeněk and Otti, Oliver},
article_number = {1},
doi = {http://dx.doi.org/10.1186/s12983-023-00505-z},
keywords = {Bedbugs; Mating scars; Reproduction; Sexual conflict; Age; Pteridines},
language = {eng},
issn = {1742-9994},
journal = {Frontiers in Zoology},
title = {Age-related mating rates among ecologically distinct lineages of bedbugs, Cimex lectularius},
url = {https://doi.org/10.1186/s12983-023-00505-z},
volume = {20},
year = {2023}
}
TY - JOUR
ID - 2305341
AU - Bartonička, Tomáš - Křemenová, Jana - Balvín, Ondřej - Šimek, Zdeněk - Otti, Oliver
PY - 2023
TI - Age-related mating rates among ecologically distinct lineages of bedbugs, Cimex lectularius
JF - Frontiers in Zoology
VL - 20
IS - 1
SP - 1-9
EP - 1-9
PB - BMC
SN - 17429994
KW - Bedbugs
KW - Mating scars
KW - Reproduction
KW - Sexual conflict
KW - Age
KW - Pteridines
UR - https://doi.org/10.1186/s12983-023-00505-z
N2 - Understanding how many mates an animal has in its lifetime is a critical factor in sexual selection. At the same time, differences in an organism's ecology, such as the quantity and quality of food, could be reflected in different mating rates. Mating rate had a significant effect on female net fitness (i.e., lifetime offspring production), however, laboratory measurements cannot well mirror the situation in wild. The common bedbug (Cimex lectularius) is a well-established model for studying traumatic insemination and sexual conflict. The species comprises two host lineages that feed on bats (BL) or humans (HL). HL can constantly feed on human hosts throughout the year, while BLs feed only during summer months when their bat hosts occupy the roosts. Because mating in female bedbugs is closely linked to foraging, this system provides a valuable model to study mating variation in the field. We established a new method for estimating age-dependent mating rates of females in the wild by relating the fluorescent pigment accumulation in the eyes of females to the number of mating scars that manifest as melanized spots caused by the injection of sperm through the wall of the female abdomen by the male into the spermalege. In addition, using laboratory bedbugs we found that three and a half observed matings on average lead to one observed melanized mating scar. Although young BL and HL females (with low pteridine concentrations) did not differ in the number of matings, the mating rate increased with age only in HL but not in BL females. We sampled on average older BL than HL females. The lack of access to food (bat blood) during winter could explain the lack of increase in the number of scars with age in BL. In species where mating leaves visible marks, using fluorescent pigments to determine female age (applicable to most arthropods) could be an important tool to study sexual selection and mating rate in the wild. The method can help formulate sustainable and biologically lucid approaches for their control.
ER -
BARTONIČKA, Tomáš, Jana KŘEMENOVÁ, Ondřej BALVÍN, Zdeněk ŠIMEK and Oliver OTTI. Age-related mating rates among ecologically distinct lineages of bedbugs, Cimex lectularius. \textit{Frontiers in Zoology}. BMC, 2023, vol.~20, No~1, p.~1-9. ISSN~1742-9994. Available from: https://dx.doi.org/10.1186/s12983-023-00505-z.
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