Results 31 to 40 of about 35,644 (272)

Experimental evidence for competitive exclusion of Myzus persicae nicotianae by Myzus persicae s.s. (Hemiptera: Aphididae) on sweet pepper, Capsicum annuum (Solanaceae)

open access: yesEuropean Journal of Entomology, 2008
The importance of interspecific competition as a force promoting specialization in phytophagous insects has been long debated. Myzus persicae sensu stricto (Hemiptera: Aphididae) is one of the most polyphagous aphids. Its subspecies, M.
Daniel H. TAPIA   +4 more
doaj   +1 more source

The grapevine aphid Aphis illinoisensis : a good example of recent invasion and rapid colonization by aphids [PDF]

open access: yes, 2011
Aphis illinoisensis represents one of the most recent aphid invaders from the New World to the Mediterranean Region. This aphid, which is native to North America and is now widely distributed in Central and South America, was first found in Southern ...
Mifsud, David, Perez Hidalgo, Nicolas
core   +1 more source

DIVERSITY OF APHIDIDAE OF UTTARAKHAND

open access: yes, 2023
Agricultural crops face numerous pest-problems, particularly due to aphids, scale-insects, mealybugs, white-flies, mites, etc. Aphids (Homoptera: Aphididae) are one of the important pests of crops, and are highly injurious for cultivated and non-cultivated crops. We reported eighteen aphid species belong to twelve genera in Kumaun region.
Kumar, Rajesh   +3 more
openaire   +1 more source

Molecular evolution of aphids and their primary ( Buchnera sp.) and secondary endosymbionts: implications for the role of symbiosis in insect evolution. [PDF]

open access: yes, 2001
Aphids maintain an obligate, endosymbiotic association with Buchnera sp., a bacterium closely related to Escherichia coli. Bacteria are housed in specialized cells of organ-like structures called bacteriomes in the hemocoel of the aphid and are ...
Ham, R.C.H.J., van   +5 more
core   +6 more sources

Feeding Records of Aphids (Hemiptera: Aphididae) From Wisconsin [PDF]

open access: yes, 2018
Basic to our understanding of any animal and its habitat requirements is knowing what it eats. Reported here are observations of feeding by 27 species of aphids encountered in Wisconsin over 1992 ...
Trager, James C   +2 more
core   +3 more sources

Differences in microbiota between two multilocus lineages of the sugarcane Aphid (Melanaphis sacchari) in the continental United States [PDF]

open access: yes, 2020
The sugarcane aphid (SCA), Melanaphis Sacchari (Zehntner) (Hemiptera: Aphididae), has been considered an invasive pest of sugarcane in the continental United States since 1977. Then, in 2013, SCA abruptly became a serious pest of U.S.
Antwi, Josephine B.   +11 more
core   +1 more source

A Study of the Biology of \u3ci\u3eRhopalosiphum Padi\u3c/i\u3e (Homoptera: Aphididae) in Winter Wheat in Northwestern Indiana [PDF]

open access: yes, 2017
Periodic collections of the bird cherry-oat aphid, Rhopalosiphum padi, during two years revealed small populations on winter wheat in Lafayette, Indiana. The greatest numbers were found on volunteer wheat plants before planting.
Araya, J. E, Cambron, S. E, Foster, J. E
core   +2 more sources

African Aphididae.—Part II. [PDF]

open access: yesBulletin of Entomological Research, 1915
The following notes and descriptions of African plant-lice are based mainly on part of the large collection I have received from Mr. F. C. Willcocks, made in Egypt since 1907 ; specimens from Mr. Gerald Bedford, collected in the Transvaal and the Cape ;and a small collection of spirit specimens without any colour notes sent to the ImperialBureau of ...
openaire   +4 more sources

Russian wheat aphids (Diuraphis noxia) in China: Native range expansion or recent introduction? [PDF]

open access: yes, 2012
In this study, we explore the population genetics of the Russian wheat aphid (RWA) (Diuraphis noxia), one of the world’s most invasive agricultural pests, in north-western China.
Abbot   +85 more
core   +3 more sources

Studies on Aphididæ. I.* [PDF]

open access: yesAnnals of the Entomological Society of America, 1908
What is supposed to be this species was first described by Asa Fitch in his “Catalogueof the Homoptera of New York” in 1851 as Aphis betulA¦colens . Monell described it from Missouri as Callipterus betulA¦colens , n. sp., and placed Aphis betulA¦colens of Fitch as doubtfully synonymous. Thomas hesitatingly placed this species and Calaphis betulella
openaire   +5 more sources

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