Results 141 to 150 of about 900 (159)
A new genus of Macrosiphini Wilson, 1910 (1887) (Hemiptera: Aphididae) from Rhododendron in Turkey.
Zootaxa, 2014 Rhododendraphis tuatayae gen. n., sp. n. living on Rhododendron sp. (Ericaceae) in Turkey is described based on apterous viviparous females. The new genus is morphologically most similar to Rostratusaphis Fang and Qiao, 2009, but differs in several important characters.
S. Barjadze, I. Özdemir
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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.
E. Mondor, B. Roitberg, B. Stadler
semanticscholar +2 more sources
Zootaxa, 2022
Revision of the aphid subgenus Ramitrichophorus of genus Macrosiphoniella with redescriptions of all known species has been made. Geographical points of species registrations are listed.
A. V. Stekolshchikov, S. Buga
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Revision of the aphid subgenus Ramitrichophorus of genus Macrosiphoniella with redescriptions of all known species has been made. Geographical points of species registrations are listed.
A. V. Stekolshchikov, S. Buga
semanticscholar +1 more source
Molecular Phylogenetics and Evolution, 2018
The aphid tribe Macrosiphini Wilson, 1910 (Hemiptera: Aphididae: Aphidinae) is one of the most controversial groups within Aphididae. We sequenced 2876 bp from one nuclear gene (EF-1α) and four mitochondrial genes (COI, tRNA + COII, 16S) from 107 terminal taxa representing 57 genera of Macrosiphini s.l.
Hwalran Choi +4 more
semanticscholar +3 more sources
The aphid tribe Macrosiphini Wilson, 1910 (Hemiptera: Aphididae: Aphidinae) is one of the most controversial groups within Aphididae. We sequenced 2876 bp from one nuclear gene (EF-1α) and four mitochondrial genes (COI, tRNA + COII, 16S) from 107 terminal taxa representing 57 genera of Macrosiphini s.l.
Hwalran Choi +4 more
semanticscholar +3 more sources
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
semanticscholar +3 more sources
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
semanticscholar +3 more sources
2020
Tribe Macrosiphini Subtribe Liosomaphina Cavariella kamtshatica Ivanovskaya Published information. Ivanovskaya (1977) indicated that Cavariella pastinacae (Linnaeus) was collected in the vicinity of Snezhnogorsk Village. We studied slides from the Ivanovskaya collection made from four samples collected from Anthriscus sylvestris (L.) Hoffm.
Stekolshchikov, Andrey V. +1 more
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Tribe Macrosiphini Subtribe Liosomaphina Cavariella kamtshatica Ivanovskaya Published information. Ivanovskaya (1977) indicated that Cavariella pastinacae (Linnaeus) was collected in the vicinity of Snezhnogorsk Village. We studied slides from the Ivanovskaya collection made from four samples collected from Anthriscus sylvestris (L.) Hoffm.
Stekolshchikov, Andrey V. +1 more
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BLANCHARDIA POIKILA GEN.NOV., SP.NOV. (HEMIPTERA: APHIDIDAE, MACROSIPHINI) IN MENDOZA, ARGENTINA
The Canadian Entomologist, 1997AbstractBlanchardia gen.nov. and its type species Blanchardia poikila sp.nov. are described and the new combination Blanchardia capitophoroides is established for Macrosiphum capitophoroides Blanchard, 1944. The new genus forms part of the Macrosiphum group and it is characterized by the presence of one to three poorly defined rows of cells on the apex
J. Ortego +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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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
semanticscholar +3 more sources
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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