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Cecidomyiidae is a family of flies known as gall midges or gall gnats. As the name implies, the larvae of most gall midges feed within plant tissue, creating abnormal plant growths called galls . Cecidomyiidae are very fragile small insects usually only 2–3 mm (0.079–0.118 in) in length; many are less than 1 mm (0.039 in) long.
Leaf galls. This is a list of insect galls arranged into families. This list is incomplete; you can help by adding missing items. (January 2023) Coleoptera Beetles
Wasps from Lake Natimuk in Victoria were transported and released in Western Cape in 1987 and as no galls were seen the first summer, a second transfer — this time from Mount Compass, South Australia — was made in 1992 as scientists suspected the first cohort might have been incompatible with populations of golden wattle in Africa. [4]
The Cecidomyiinae, commonly known as gall midges or gall gnats, is the largest subfamily in Cecidomyiidae with over 600 genera and more than 5000 described species. [1] Larvae of the other ( basal ) cecidomyiid subfamilies feed on fungi; whereas this subfamily is best known for its members that induce galls on plants.
Galls act as both the habitat and food source for the maker of the gall. The interior of a gall can contain edible nutritious starch and other tissues. Some galls act as "physiologic sinks", concentrating resources in the gall from the surrounding plant parts. [25] Galls may also provide the insect with physical protection from predators. [35] [24]
The galls occur when female aphids lay a single egg on the underside of the sumac leaf, inducing the leaf to form a sac over the egg. [5] According to Hebert et al, the eggs "give rise to a series of parthenogenetic generations, which remain within the gall. Winged females leave the gall in late summer and fly to moss, where they establish ...
Galls made by D. vitifoliae on leaf of Vitis sp.. Grape phylloxera is an insect pest of grapevines worldwide, originally native to eastern North America.Grape phylloxera (Daktulosphaira vitifoliae (Fitch 1855) belongs to the family Phylloxeridae, within the order Hemiptera, bugs); originally described in France as Phylloxera vastatrix; equated to the previously described Daktulosphaera ...
Atlas Catalogue of R.S.A (Republic of South Africa) Barefoot Catalogue (Revenues) Borek (World catalogue) Colnect (online only) [6] Find Your Stamps Value (online only) (specializing in US, GB, and other stamps) [7] Freestampcatalogue; Inoubli (Tunisia) Richard Zimmermann Catalog (The joint stamp issues catalog)