The Acarina Or Mites: A Review of the Group for the Use of Economic Entomologists |
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Page 134
... Erineum and Phyllerium on the fuzzy patches . In 1832 Dugès , who was the first to look carefully into these galls , supposed that the mites were imma- ture since they had but two pairs of legs . He saw the eggs ( fig . 278 ) , but sup ...
... Erineum and Phyllerium on the fuzzy patches . In 1832 Dugès , who was the first to look carefully into these galls , supposed that the mites were imma- ture since they had but two pairs of legs . He saw the eggs ( fig . 278 ) , but sup ...
Page 135
... erineum is not fully known . An erineum is practically a dense mass of deformed hairs . These hairs are usually thickened and twisted and the whole mass is of an even height . The mites live among these deformed hairs , sucking the ...
... erineum is not fully known . An erineum is practically a dense mass of deformed hairs . These hairs are usually thickened and twisted and the whole mass is of an even height . The mites live among these deformed hairs , sucking the ...
Page 136
... erineum ( fig . 287 ) or " frost gall " ; in others the area of ( Original . ) the erineum is depressed , making a " dimple gall " ( fig . 280 ) ; in others this depression becomes deeper and the margins grow toward each other , making ...
... erineum ( fig . 287 ) or " frost gall " ; in others the area of ( Original . ) the erineum is depressed , making a " dimple gall " ( fig . 280 ) ; in others this depression becomes deeper and the margins grow toward each other , making ...
Page 137
... erineum on leaf . ( Author's illustration . ) Another Phyllocoptes , P. schlechtendali Nalepa ( fig . 290 ) , is of economic importance , as it often occurs on pear , blackening and curling the leaves . It also occurs on other kinds of ...
... erineum on leaf . ( Author's illustration . ) Another Phyllocoptes , P. schlechtendali Nalepa ( fig . 290 ) , is of economic importance , as it often occurs on pear , blackening and curling the leaves . It also occurs on other kinds of ...
Page 138
... erineum on the under surface of the leaf that causes swellings on the upper surface . The mites pass the winter in the buds or under the bark of the vine . Applications of sulphur will destroy this as well as other species of Eriophyes ...
... erineum on the under surface of the leaf that causes swellings on the upper surface . The mites pass the winter in the buds or under the bark of the vine . Applications of sulphur will destroy this as well as other species of Eriophyes ...
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Common terms and phrases
abdomen acarians Acarina adult anal plate animal anus attached Author's illustration Banks fig Bdella beak beetles Berlese birds body capitulum caroncle cattle cephalothorax cephalothorax and abdomen chelate chitinous claws color common commonly coxæ Crista described disease dorsal shield dorsum eggs elongate enlarged erineum Eriophyes Europe eyes feed female forms front furrow galls genera genital genital aperture genital opening genus glands groove groups hairs hind legs host Hypopus hypostome infested insects Ixodes joint of leg joint of palpus known Koch Laelaps lamellæ larva larvæ last joint leaves male mammals mandibles median Mégnin molt moss mouth nymph nymphal Oribatidæ Original Oudemans pair of legs palpi palpus parasitic Parasitidæ pedicellate peritreme posterior rostrum scale insects separated short side skin slender sometimes species occur spines spiracles stage sternal plate stout suckers surface tarsi tarsus Tetranychus ticks Trombidium Trouessart Tyroglyphus Uropoda usually venter ventral shield vulva