Biology and Biometry of Bracon Hebator Say (Hymenopera: Braconidae) An Ectoparasitoid of Helicoverpa Armigera Hubner

Abstract

This paper deals with information on Biology and biometry of Bracon hebator Say, an ectoparasitoid of Helicoverpa armigera Hubner. In B.hebator four larval instars with first caudate type occur. Eggs are elongated and slightly curved, medially increase in the size of the larva correlate with the progressing age of parasitoids. The biometrical observations are based on the length and width of the larval instars, mandibles, and head capsules structural details of herds of the instars and diameter of spiracle of larvae are prodused. The ‘r’ valves was 0.9881 for length and 0.9735 for width (P< 0.001 for length and P<0.01 for width)