Paternity following multiple mating in ladybird Harmonia axyridis

0475114 - BC 2018 RIV NL eng J - Journal Article
Awad, Mona - Piálek, L. - Krejčí, Alena - Laugier, G. J. M. - Nedvěd, Oldřich
Paternity following multiple mating in ladybird Harmonia axyridis.
Biocontrol. Roč. 62, č. 3 (2017), s. 297-307. ISSN 1386-6141. E-ISSN 1573-8248
Grant - others:MZe ČR(CZ) QH82047
Institutional support: RVO:60077344
Keywords : Coccinellidae * microsatellites * fertility
OECD category: Reproductive biology (medical aspects to be 3)
Impact factor: 1.924, year: 2017
https://link.springer.com/article/10.1007%2Fs10526-017-9806-z

We investigated factors which may determine realised paternity following multiple mating in a promiscuous ladybird Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae), namely the mating order and ability of males of different morphs to fertilize females. In experiments using males of two colour morphs, we found that the first male had a reproductive advantage over
the second male (sperm precedence P2 = 0.38). Males of the melanic morph spectabilis had a reproductive advantage over males of the semi-melanic morph axyridis (P2 = 0.35). Analysis of paternity using microsatellites applied to young larvae, which avoids possible differential mortality of progeny, confirmed the precedence of the first male and higher paternity rate of
colour morphs that are more frequent in the wild. Hatchability of eggs increased from 65% after the first mating to 85% after the second mating delayed by five days. Average duration of mating was 157 min and did not differ between the first and second mating and between the colour morphs of males.


Permanent Link: http://hdl.handle.net/11104/0272006