Vol. 4, Issue 3 (2019)
Morphological study of pronymph stage of male Aonidiella orientalis (Newstead) (Homoptera : Coccoidea : Diaspididae)
Author(s): Raj Vir Singh Ojha, Kamal Singh
Abstract: Authors have studied morphological features of armoured scale insect, pronymph stage of Aonidiella orientalis. It belongs to family Diaspididae, super family Coccoidea, Order Homoptera. It is an important pest of Mangifera indica, Saraca indica, Musa paradisiaca, Dalbergia sissoo, Psidium guajava, Syzygium cumini, Syzygium jambos, Annona squamosa and other economical, ornamental and horticultural plants which had been collected in northern India from the twigs, leaves and fruits. The scale of pronymph stage of male Aonidiella orientalis is ovoidal in shape and its colour is brown yellowish with black dark spot towards the exuvia. The whole body of pronymph is nearly flattened and its colour is pale pink. Eyes, antennae and wings are in developing in the pronymph stage. Two pairs spiracles are present without trilocular pores. The marginal and submedian setae are distributed on dorsally and ventrally on both right and left side equally.