Summary
Published in Journal of Economic Entomology 88(3): 640-643
A method was developed for rearing Dioryctria abietivorella (Grote) under aseptic artificial conditions. Larvae fed with artificial diet completed their development from first instar to pupae with a survival level of 59.7 ± 2.5% (mean ± SEM). Development time, recorded in an incubator set at 25°C, 60% RH, and a photoperiod of 16:8 (L:D) h from first instar through pupation, was 22.54 ± 0.56 d for males and 22.80 ± 0.80 d for females. Larval development included five instars, and 25.6% of the time there was an additional sixth instar. Instars were identified by head-capsule width measurements. Sex identification was done by observation with a binocular microscope of the eighth and ninth abdominal segments of pupa. Fifty pairs of insects were placed per cage for mating. Adult cages for mating and oviposition were used successfully and a mean number of 24.68 ± 2.02 viable eggs were laid per female.
Sector(s):
Forests
Categorie(s):
Scientific Article
Theme(s):
Forestry Research, Forests
Author(s)
TRUDEL, Richard, Éric BAUCE, Jean CABANA and Claude GUERTIN
Year of publication :
1995
Format :
Paper
How to get the publication :
Keywords :
Lepidoptera, Dioryctria abietivorella, pyrale des cônes du sapin, coneworm, conifer, Sacré-Coeur de Saguenay, adult mating, egg, larval development, seed orchard
