Rj. Gagne et Mo. Harris, THE DISTINCTION BETWEEN DASINEURA SPP. (DIPTERA, CECIDOMYIIDAE) FROM APPLE AND PEAR, Proceedings of the Entomological Society of Washington, 100(3), 1998, pp. 445-448
Two species of gall midges, Dasineura pyri (Bouche) and Dasineura mali
(Kieffer), are responsible for a similar leaf roll on pear and apple,
respectively. These two species are found to have distinct difference
s in their male genitalia, effectively distinguishing these taxa morph
ologically. This evidence supports biological evidence that the two sp
ecies are distinct and allows for ease of discrimination for voucher p
urposes.