Results 21 to 30 of about 28,329 (240)

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

Respiratory metabolism of the pea aphid, Acyrthosiphon pisum (Hemiptera: Aphididae)

open access: yesEuropean Journal of Entomology, 2012
The respiratory metabolism of different polyphenic forms of the pea aphid, including wingless and winged asexual females (virginoparae), sexual females (oviparae) and winged or wingless adult males, was investigated using a micro-respirographic method ...
Karel SLÁMA, Pavel JEDLIČKA
doaj   +1 more source

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

The effect of choice and no-choice access on host (Aphis fabae) instars preference, in different ages and sizes of Lysiphlebus fabarum (Hymenoptera: Braconidae: Aphidiinae) [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2016
The influence of parasitoids on population dynamics is affected by host instar preference. The preference pattern of host instars is not fixed and is modified by the availability and relative abundance of host instars, intensity of defensive behaviors in
P. Najafpour, A. Rasekh, M. Esfandiyari
doaj  

Stomaphis wojciechowskii Depa, 2012 (Hemiptera: Aphididae: Lachninae) – a new record of aphids in the fauna of Belarus [PDF]

open access: yesКавказский энтомологический бюллетень, 2021
A pale giant oak aphid Stomaphis wojciechowskii Depa, 2012 from the tribe Stomaphidini (Hemiptera: Aphididae: Lachninae) is recorded for the fauna of Belarus for the first time.
A.M. Ostrovsky
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

Effect of temperature on some biological parameters of an Iranian population of the Rose Aphid, Macrosiphum rosae (Hemiptera: Aphididae)

open access: yesEuropean Journal of Entomology, 2007
The rose aphid, Macrosiphum rosae, living on rose var. Black Magic, was reared in the laboratory at four constant temperatures 15, 18, 22 and 25 ± 1°C, 75 ± 5% R.H. and 14L : 10D.
Mohsen MEHRPARVAR, Bijan HATAMI
doaj   +1 more source

Natural hybridisation between Aphis grossulariae and Aphis schneideri: morphological evidence (Sternorrhyncha: Aphididae)

open access: yesEuropean Journal of Entomology, 2003
Morphometric analysis of 176 natural samples of A. grossulariae Kaltenbach, 1843 and A. schneideri (Börner, 1940) was performed, using 308 alate and 750 apterous viviparous females from 25 countries altogether.
Rimantas RAKAUSKAS
doaj   +1 more source

Temperature Effects on Development of Three Cereal Aphid Parasitoids (Hymenoptera: Aphidiidae) [PDF]

open access: yes, 2017
Temperature is an important climatological variable that influences the biology and ecology of insects. Poor climatic adaptation can limit the effectiveness of parasitic insects in biological control.
Burd, J. D   +3 more
core   +3 more sources

Experimental hybridisation between Aphis grossulariae and Aphis triglochinis (Sternorrhyncha: Aphididae)

open access: yesEuropean Journal of Entomology, 2000
Aphis triglochinis and A. grossulariae clones from southern Poland produced fertile hybrid eggs under experimental conditions. Established hybrid clones expressed normal parthenogenetic reproduction but bisexual generations were obtained only in three ...
Rimantas RAKAUSKAS
doaj   +1 more source

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