2008
DOI: 10.1093/jee/101.4.1140
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Effects of Parent Age at Mating on Reproductive Response of Glyptapanteles flavicoxis (Hymenoptera: Braconidae), a Larval Parasitoid of the Gypsy Moth (Lepidoptera: Lymantriidae)

Abstract: Glyptapanteles flavicoxis (Marsh) (Hymenoptera: Braconidae) is a gregarious larval parasitoid of the Indian gypsy moth Lymantria obfuscata (Walker) (Lepidoptera: Lymantriidae), that is believed to have potential for inundative releases against gypsy moth populations, because it can be reared in large numbers with few hosts. Unfortunately, sex ratios in laboratory reared G. flavicoxis are usually male-biased, hindering efforts to mass release this species for biological control by making the production of femal… Show more

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“…Even without mating, virgin queens may shed their wings within a few weeks after emergence and begin to mature eggs (Schrempf, Heinze, & Cremer, ; see Schmidt, Frohschammer, Schrempf, & Heinze, for mother–son mating in a related species). Nevertheless, because a long premating time reduces the period during which queens can lay fertilized eggs (e.g., Fuester, Swan, Taylor, & Ramaseshiah, ), we expected a small negative influence of prolonged virginity on reproductive performance. Males live considerably shorter than queens, and only around 10% reach an age of six weeks or more (Metzler, Heinze, & Schrempf, ).…”
Section: Methodsmentioning
confidence: 97%
“…Even without mating, virgin queens may shed their wings within a few weeks after emergence and begin to mature eggs (Schrempf, Heinze, & Cremer, ; see Schmidt, Frohschammer, Schrempf, & Heinze, for mother–son mating in a related species). Nevertheless, because a long premating time reduces the period during which queens can lay fertilized eggs (e.g., Fuester, Swan, Taylor, & Ramaseshiah, ), we expected a small negative influence of prolonged virginity on reproductive performance. Males live considerably shorter than queens, and only around 10% reach an age of six weeks or more (Metzler, Heinze, & Schrempf, ).…”
Section: Methodsmentioning
confidence: 97%