Studies on the reproductive biology

Livingstone, David; Ramani, Ramakrishnan

doi:10.1007/bf03179011

Cited by 8 publications

(2 citation statements)

References 18 publications

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“…Data on mating behavior are so far available only for members of the lineages Blattidae (mainly Periplaneta) (roth & willis 1952;Barth 1970;KitaMura & taKa hashi 1973), Cryptocercidae (nalePa 1988), Blaberoidea (Byrsotria, Blaberus, Leucophaea, Blattella, Pycnoscelus, Gromphadorhina, Panchlora etc.) (roth & willis 1952, 1954Barth 1961;willis 1966;roth & Barth 1967;Barth 1968), andPolyphagidae (livingstone &raMani 1978). It is well known that most cockroaches show elaborate mating behavior, which is composed of:…”

Section: Mating Behaviormentioning

confidence: 99%

“…The process of antennal fencing and male sideways rocking is lacking in Panchlora nivea (Linnaeus, 1758) (roth & willis 1958). In the polyphagid T. petiveriana (livingstone & raMani 1978), the male rushes to the female. Then he starts to chase her, touching her with his antennae, and the excited male repeats his characteristic ver-tical jerks, touching the female's cerci with his antennae.…”

Section: Mating Behaviormentioning

confidence: 99%

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Reproductive biology and postembryonic development of a polyphagid cockroach Eucorydia yasumatsui Asahina (Blattodea: Polyphagidae)

Fujita¹,

Machida²

2014

ASP

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Reproductive biology, including mating behavior, ootheca deposition, ootheca rotation, and postembryonic development, were examined and described in a Japanese polyphagid, Eucorydia yasumatsui Asahina, 1971. E. yasumatsui lacks elaborate pre-copulation behaviors, in contrast to most cockroaches. On encountering a female, the male rushes to her, chases her, touching her with his antennae, and finally the pair initiates “tail-to-tail” copulation. The ootheca bears a well-developed, serrated keel along its dorsal median line and a flange on its anterior end, which is grasped with the female’s paraprocts while she carries the ootheca. The ootheca formed in the vestibulum emerges from her caudal end, with its keel upwards. Several hours later, she rotates the ootheca clockwise by 90°, viewed from the female’s side, into a horizontal position. After rotation, she carries the ootheca, maintaining this horizontal position for a few days, and then deposits it on the ground. The number of larval instars was 9 or 10 in females and 8 or 9 in males. Addition of annuli to the antennal flagellum occurs from the 2nd instar molting onwards, and annular division occurs both in the 1st annulus of the flagellum (meriston) and in the annulus following it (called “meristal annulus” from the 3rd instar on): one to several annuli from the former and a single annulus from the latter are added. Sexes can be distinguished from the 3rd instar on according to the changes of the postabdominal structures. Regarding exposed structures, in the female the posterior margin of abdominal coxosternum VIII becomes incised medially, the abdominal coxosterna VIII and IX retract, and the styli of segment IX disappear. The male does not undergo marked externally visible changes.

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Section: Mating Behaviormentioning

confidence: 99%

Section: Mating Behaviormentioning

confidence: 99%

Reproductive biology and postembryonic development of a polyphagid cockroach Eucorydia yasumatsui Asahina (Blattodea: Polyphagidae)

Fujita¹,

Machida²

2014

ASP

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Biodiversity of Blattodea – the Cockroaches and Termites

Djernæs

2018

Insect Biodiversity

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Female teneral mating in a monandrous species

Monceau

Baaren

2012

Ecology and Evolution

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Schultesia nitor is a gregarious species living in Cacicus and Psarocolius ssp. pouch-like nests. Due to gregariousness, opportunities for multiple copulations in both sexes are not supposed to be restricted. Females produce only one brood during their life and die within a few days following the birth of their nymphs, but this unique brood could be the result of either single or multiple mating events (i.e., monandry vs. polyandry). In this study, we first determined the age of sexual receptivity of both males and females. Larval development in this species is shorter in males than in females and thus, this species is protandric. Males were not able to copulate the day after emergence. Contrary to males, teneral females (i.e., females achieving their imaginal molt but not yet fully sclerotised and colored) were attractive and were able to mate with males. In the second experiment, we tested the existence of multiple matings in both sexes. Our results showed that females were monandrous whereas males were polygynous. Since we had observed that females were monoandrous, we expected them to be choosy and we determined their ability to discriminate between virgin and nonvirgin males. When given the choice, females preferred virgin males and overall, they were more successful at mating than experienced ones. Our results suggest that monandry may be primarily driven by the female’s short life-span fecundity. The occurrence of teneral mating in this species calls into question the existence of a male strategy for monopolizing females, and as well as the implication of female choice. Although further work is required, this species provides an interesting model for understanding sexual conflicts.

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Studies on the reproductive biology

Cited by 8 publications

References 18 publications

Reproductive biology and postembryonic development of a polyphagid cockroach Eucorydia yasumatsui Asahina (Blattodea: Polyphagidae)

Reproductive biology and postembryonic development of a polyphagid cockroach Eucorydia yasumatsui Asahina (Blattodea: Polyphagidae)

Biodiversity of Blattodea – the Cockroaches and Termites

Female teneral mating in a monandrous species

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