This study investigated whether the largest parasitoid, Torymus umbilicatus, exhibits HAD in size that is consistent with its gall midge host.
These plant-associated size patterns between populations of the parasitoid are consistent with trends exhibited by the gall midge and, while some of these differences may be due to nutritional differences between the plants, much of the variability can be explained by gall size and larval crowding.
Gagne (1994), in an account of the gall midges
of the Neotropical Region, provided a brief biography of Jean-Jacques Kieffer (1857-1925), in which he noted that Kieffer published 470 scientific papers, including taxonomic studies of the Cecidomyiidae, Ceratopogonidae, Chironomidae and parasitic Hymenoptera.
Effects of large-scale host plant addition and removal on parasitoid-mediated associational resistance in the gall midge Asphondylia borrichiae.
The gall midge Asphondylia borrichiae (Diptera:Cecidomyiidae): An indigenous example of host-associated genetic divergence in sympatry.
corymbosum) shoots infested with blueberry gall midge larvae were collected from 3 cranberry and 2 blueberry farms in Pitt Meadows, British Columbia, Canada in 2009 and 2010.
Genomic DNA was isolated from individual cranberry tipworm and blueberry gall midge adults with a DNeasy tissue kit[R] (Qiagen Inc.
Blueberry gall midge pupates in the soil; therefore, containers were prepared with substrates into which larvae could burrow and pupate.
Two models were used to estimate the lower temperature threshold, c, and the thermal constant, K, for the blueberry gall midge pupal stage.
If the brown citrus aphid becomes established in the United States, we're hoping that the exotic parasites, coupled with the gall midge
and other indigenous natural enemies and pathogens, could lower aphid numbers to tolerable levels," he says.
genera of economic importance (Diptera, Cecidomyiidae).
Example topics are gall-inducing scale insects, the phylogeny of gall midges
, dipteran leaf miners, the biology and evolution of braconid gall wasps, and gall flies on Myrtaceae as a mutualistic association between flies and nematodes.
The main flower visitors were two species of gall midges
Many gall midges
have variously shaped prominences on the head for that purpose, but they are almost always extensions of the antennal bases, not of the vertex.
Key Words: gall midges
, Taxodium distichum, Taxodiaceae, Florida, stem galls