On the morphology of reproductive organs in the grass midge, Orseola difficilis Gagne (Cecidomyidae: Diptera)
ANSARI, M.H. and PANDEY. P.N.
ABSTRACT: The reproductive organs of the grass-midge. Orseolia difficilis Gagne are described. The egg
laying apparatus is simple and lamellate, but the ovary is characteristic; it possesses about 75 ovarioles arranged like a bunch of grapes. Each ovariole has a large ripe ovum and a small unripe ovum. The male genitalia is simple but sclerotized. The testes are unique in having a terminal filament.