One of the worst pests of pear trees is the pear midge, known as Diplosis pyrivora or Cecidomyia nigra, the females of which lay their eggs in the flowerbuds before they open.
The fungus infects young canes through wounds which are initially caused by raspberry cane midge attack, late spring frosts or pruning.
As a rule flies are of small or moderate size, and many, such as certain blood-sucking midges of the genus Ceratopogon, are even minute; as extremes of size may be mentioned a common British midge, Ceratopogon varius, the female of which measures only 14 millimetre, and the gigantic Mydaidae of Central and South America as well as certain Australian robber-flies, which have a body 1-11n.
The best-known dipterous pests are the Hessian fly (Cecidosnyia destructor), the pear midge (Diplosis pyrivora), the fruit flies (Tephritis Tyroni of Queensland and Halterophora capitata or the Mediterranean fruit fly), the onion fly (Phorbia cepetorum), and numerous corn pests, such as the gout fly (Chloropstaeniopus) and the frit fly (Oscinis frit).
Ritter (1890) have since observed a similar early origin for the germ-cells in the midge Chironomus and in the Aphidae.
Tiny midge larvae (3mm long, orange or white) cause the damage.
Only downside of this lazy warm summer paddling is the dreaded midge.
He was busily sucking down some small black midge which had become trapped in a calm slick at the edge of the loch.
midge larva makes a tunnel in the mud by sticking grains of mud together.
midge trap products for more details.
midge head net - this is what we're on about.
midge population in southern scotland.
In the lower images two views of the adult midge.
mildew resistant, but susceptible to gall mite and leaf curling midge.
raspberry cane midge attack, late spring frosts or pruning.
Aquatic insect larvae like mosquito and midge larvae have slender elongated worm like bodies.
von Kolliker described the formation of the blastoderm in the egg of the midge Chironomus.
Do n't forget your midge repellent, sun cream, waterproof and bobble hat - the weather can be pretty mixed up there !
Her best friend, Midge, came on the scene in 1963.
He was presented as Ken's friend and Midge's boyfriend, perfect for pretend double dates.
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