Results 151 to 160 of about 734 (169)
Miyazakia, a new aphid genus from Japan (Hemiptera: Aphididae: Macrosiphini).
Zootaxa, 2014 Miyazakia gen. nov. with type species Miyazakia ranunculi (Miyazaki, 1971) comb. nov. is described. The species is illustrated and biometric data are provided for all morphs, except the fundatrix. This aphid genus is closely related to Sappaphis Matsumura, 1919. M.
A. V. Stekolshchikov
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Cornicle length in Macrosiphini aphids: a comparison of ecological traits
Ecological Entomology, 2002Abstract 1. Aphids often emit cornicle droplets when attacked by predators. While the function of cornicle droplets has long been debated (i.e. mechanical protection vs. chemical signalling), it is not understood why aphid species have cornicles of different lengths. 2.
Edward B Mondor +2 more
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The genus Uroleucon (Hemiptera: Aphididae: Macrosiphini) in Argentina, with descriptions five new species [PDF]
The Canadian Entomologist, 2007 AbstractUroleuconis one of the largest genera of Macrosiphini, with 216 known species; it is one of the few genera of Aphidinae to have a diversification in South America, with 15 native species and 1 subspecies. Moreover, 7 introduced species have been recorded in South America.
J. N. Nieto Nafría +3 more
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New species of the aphid tribe Macrosiphini (Homoptera, Aphididae, Aphidinae) from Kazakhstan
Entomological Review, 2016Two new species of the genera Uroleucon Mordvilko, 1914 and Pleotrichophorus Borner, 1930 are described from Kazakhstan. Uroleucon dzhungaricum sp. n. feeding on Senecio nemorensis L. (Asteraceae) in the Dzhungar Ala Tau is closely related to U. minor (Borner, 1940). Both these species differ from the closely related U. solidaginis (Fabricius, 1794) in
R. Kadyrbekov
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Insect Molecular Biology, 1994
Abstract The large raspberry aphid, Amphorophora idaei , has several biotypes described by their abilities to overcome plant resistance genes. Bioassays of field populations showed a strong shift towards A, resistance‐breaking biotypes since the 1960s.
A. Birch +7 more
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Abstract The large raspberry aphid, Amphorophora idaei , has several biotypes described by their abilities to overcome plant resistance genes. Bioassays of field populations showed a strong shift towards A, resistance‐breaking biotypes since the 1960s.
A. Birch +7 more
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Bulletin of Entomological Research, 2010
AbstractWe performed molecular and morphological analyses to determine the generic limit of the genusAulacorthum, including several species with controversial taxonomic histories. The sequences of four mitochondrial genes,COI,COII,srRNAandlrRNA, and one nuclear gene,EF1a, implied thatAulacorthumis not monophyletic, withAulacorthum ...
Woo-shin Lee, Hyunyong Kim, Suji Lee
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AbstractWe performed molecular and morphological analyses to determine the generic limit of the genusAulacorthum, including several species with controversial taxonomic histories. The sequences of four mitochondrial genes,COI,COII,srRNAandlrRNA, and one nuclear gene,EF1a, implied thatAulacorthumis not monophyletic, withAulacorthum ...
Woo-shin Lee, Hyunyong Kim, Suji Lee
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TWO NEW MACROSIPHINI (HOMOPTERA: APHIDIDAE) FROM MANITOBA
The Canadian Entomologist, 1973AbstractTwo new species of aphids are described from Manitoba, Acyrthosiphon assiniboinensis new species from Potentilla fruticosa L., and Masonaphis pinawae new species from Ledum groenlandicum Oeder.
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, 1991
This volume contains keys and descriptions of some of the aphids belonging to the Macrosiphini occurring in Scandinavia with drawings and colour plates. Among the genera are myzus, nasonovia, acyrthosiphon and macrosiphum. The other genera and species of
O. Heie
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This volume contains keys and descriptions of some of the aphids belonging to the Macrosiphini occurring in Scandinavia with drawings and colour plates. Among the genera are myzus, nasonovia, acyrthosiphon and macrosiphum. The other genera and species of
O. Heie
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