Biology and Life History ofAtanycolus cappaerti(Hymenoptera: Braconidae), a North American Larval Parasitoid Attacking the Invasive Emerald Ash Borer (Coleoptera: Buprestidae)

Autor: Jonathan M. Schmude, Jian J. Duan
Rok vydání: 2016
Předmět:
Zdroj: Florida Entomologist. 99:722-728
ISSN: 1938-5102
0015-4040
Popis: Atanycolus cappaerti Marsh & Strazanac (Hymenoptera: Braconidae) is a native North American parasitoid that has been found parasitizing late instars of the emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), a serious invasive pest of ash trees (Fraxinus species; Oleaceae). In this study, we determined the longevity, weekly oviposition rate, realized lifetime fecundity, diapause pattern, and development time of A. cappaerti for late instars of A. planipennis larvae at 25 ± 1.5 °C, 65 ± 10% RH, and a 16:8 h L:D photoperiod in the laboratory. Our study showed that adults of A. cappaerti had a median survival time of 9 to 11 wk, and females lived approximately 2 wk longer than males. The weekly progeny production by female parasitoids peaked at 3 wk after emergence, with a mean of 5.4 progeny per female. Throughout their life span, females produced a mean (± SE) of 28 (± 3.07) progeny. Atanycolus cappaerti larvae molted 5 times to reach the 6th instar in silk cocoons in a med...
Databáze: OpenAIRE