Immune Responses of Mosquitoes against Romanomermis culicivorax (Mermithida: Nematoda).

1. Spear robust, lumen wide ...................................... _. p a t u l i h a s t u s Goseco, Ferris and Ferris, 1974 Spear slender, lumen narrow .................................... 2 2. Tail longer (c = 38.6-62.5); ventromedian supplements closely spaced ........................................... ......................................... t r a n s v a a l e n s i s Heyns, 1963 Tail shorter (c = 72-106); ventromedian supplements widely spaced ....................................... 3 3. Prerectum 562-775 #m; cuticle loose; spicules L I T E R A T U R E CITED