Parasitoid-host relationship betweenTrioxys (Binodoxys) Indicus [Hymenoptera: Aphidiidae] andAphis Craccivora [Hemiptera: Aphididae]. VI. Impact of males on the number of progeny of the parasitoid reared on certain host plants - Arvind Kumar; S. Shanker; K. P. Pandey; T. B. Sinha; C. P. M. Tripathi (BioControl, 1988)