The trophobiotic relationships of Liometopum apiculatum Mayr, an edible insect of local economical importance, with Hemiptera Sternorryncha at the Tlaxcala state were studied. Fourteen species were found associated with L. apiculatum, among which seven were aphids, two in the Cinara genus, Anoecia cornicola (Walsh), Aphis lugentis Williams, Aphis solitaria (McVicar Baker), Aphis helianthi Monell in Riley & Monell, y Aphis sp. followed by three species of scales of Saissetia genus, S. olee (Olivier) among them, two Pseudoccocidae species with Dysmicoccus brevipes (Cockerell) as one of them; Ortheziidae with one species and Dactylopiidae with: Eriococcus sp.
