Results 21 to 30 of about 50,399 (259)
Los Tiflocíbinos son un grupo de insectos fitófagos poco conocidos en la Península Ibérica. Hasta ahora han sido citadas solamente unas setenta especies de cigarrillas.
D. Aguin Pombo
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A review of the tribes of Deltocephalinae (Hemiptera: Auchenorrhyncha: Cicadellidae) [PDF]
The classification of the largest subfamily of leafhoppers, Deltocephalinae, including 38 tribes, 923 genera, and 6683 valid species, is reviewed and revised.
Dietrich, Chris H., Zahniser, James N.
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Population studies of planthopper insect, Tagosodes orizicolus Muir, were performed using a light trap located in the Centre of Agricultural Research INIA Calabozo in Bancos de San Pedro, Guárico state, Venezuela, located at 73 masl from 2000 to 2010. In
Vivas-Carmona Luis Enrique+2 more
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Seasonal and Vertical Distributions of Planthoppers (Homoptera: Fulgoroidea) Within a Black Walnut Plantation [PDF]
Information on the seasonal and vertical distributions of 34 species (eight families) of planthoppers was obtained from window trap collections in a North Carolina black walnut plantation in 15 and 1978.
Weber, B. C, Wilson, S. W
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Resistance status of the carmine spider mite, Tetranychus cinnabarinus and the twospotted spider mite, Tetranychus urticae to selected acaricides on strawberries. [PDF]
The carmine spider mite, Tetranychus cinnabarinus (Boisduval) and the twospotted spider mite, Tetranychus urticae Koch, are serious pests of strawberries and many other horticultural crops.
Bi, Jian-Long+3 more
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Homoptera - apple pests in forest communities of Fergana valley, Uzbekistan [PDF]
This article presents the results of the study of apple’s homoptera pests in the forest communities of Fergana Valley, biological features, harmfulness, features of development phases, specific composition of the most harmful species, food relations ...
Kojevnikova Alevtina
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Notes on \u3ci\u3eHyadaphis Foeniculi\u3c/i\u3e and Redescription of \u3ci\u3eHyadaphis Tataricae\u3c/i\u3e (Homoptera: Aphididae) [PDF]
The occurrence of Hyadaphis foeniculi in North America is discussed and a list of its synonyms in the North American literature is presented. H. tataricae is redescribed and a key to separate the two is given along with comparative drawings and photo ...
Voegtlin, David
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In summer and autumn of 2004 the cicadellid leafhopper species Graphocephala fennahi was detected in the Czech Republic for the first time as a new alien insect species feeding on Rhododendron. The species is native to North America and was introduced in
Pavel Špryňar
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Grass Hosts of Cereal Aphids (Hemiptera: Aphididae) Between Wheat-Cropping Cycles in South Dakota [PDF]
Several grasses may serve as alternative hosts for cereal aphids during the interim between small-grain crops in South Dakota, but field studies to determine which grasses are important have not been undertaken.
Dagel, Kurt J, Hesler, Louis S
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ON HOMOPTERA AND ALLIED FORMS [PDF]
The species of Homoptera stand in need of a revision. They are usually but partially and confusedly named in such collections as I have had access to. With regard to the generic title, its acceptance is only provisional. Two species, Phacocyma lunifera Hübn. and Phaeocyma fluctuaris Hü., are unknown to me.
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