Results 21 to 30 of about 80,371 (296)

Life-history parameters of Encarsia formosa, Eretmocerus eremicus and E. mundus, aphelinid parasitoids of Bemisia argentifolii (Hemiptera: Aleyrodidae)

open access: yesEuropean Journal of Entomology, 2004
Life-history parameters (juvenile development time, adult longevity, host instar preference and rate of parasitism) of four parasitoids of Bemisia argentifolii (two strains of Encarsia formosa (D and B), Eretmocerus eremicus and Eretmocerus mundus) were ...
Yu Tong QIU   +3 more
doaj   +1 more source

The Genitalia of the Auchenorhynchous Homoptera [PDF]

open access: yesAnnals of the Entomological Society of America, 1922
Most students of insect morphology consider that the male and female genitalia of insects are homologous, but it is also considered that in some groups of insects the female genital opening, or gonopore, is situated between the eighth and ninth abdominal sternites and the male gonopore between the ninth and tenth.
Kershaw, J. C., Muir, F.
openaire   +2 more sources

Effect of temperature on population growth and life table parameters of Nephus arcuatus (Coleoptera: Coccinellidae)

open access: yesEuropean Journal of Entomology, 2014
The development, reproduction and life table parameters of the predator Nephus arcuatus Kapur (Coleoptera: Coccinellidae), the most important predator of the spherical mealybug, Nipaecoccus viridis (Newstead) (Homoptera: Pseudococcidae) were studied at ...
Sara ZARGHAMI   +4 more
doaj   +1 more source

First Record of \u3ci\u3eAphis Helianthi\u3c/i\u3e (Homoptera: Aphididae) as a Pest of Celery [PDF]

open access: yes, 2017
In 1989, the aphid Aphis helianthi severely damaged five of 10 scouted celery fields in west central Michigan. In 1990 and in 1991, A. helianthi again was a problem. reaching pestiferous levels in three of 10 and two of 10 scouted fields.
Davis, M. G. Kortier, Grafius, E.
core   +2 more sources

THE MAIN SUCKING PESTS (HOMOPTERA, APHIDIDAE, ALEYRODIDAE, COCCOIDAE) OF THE ORNAMENTAL PLANTS ON THE ABSHERON PENINSULA OF AZERBAIJAN HELMINTH FAUNA OF THE STRIPED LIZARDS IN THE LENKORAN NATURAL AREAS

open access: yesЮг России: экология, развитие, 2014
About 36 species of sugescent pests (aphids, Chinese scales) do harm to the flowers and decorative plants in the gardens, parks, public garden, greenhouses and hothouses of Absheron, 17 types out them are dominating types.
Z. M. Mamedov, E. F. Safarova
doaj   +1 more source

Holarctic Insects Adventive in Michigan: New and Additional Records (Homoptera, Heteroptera, Coleoptera, Neuroptera) [PDF]

open access: yes, 2017
Fourteen European insects in the Homoptera (4 species), Heteroptera (5), Coleoptera (4), and Neuroptera (1) are reported from Michigan. Ten are new state records (one new Ohio record is given).
Wheeler, A. G, Jr.
core   +3 more sources

Screening for stable internal reference genes for quantitative PCR analysis of Wolbachia-host interactions in whitefly Bemisia tabaci (Homoptera: Aleyrodidae)

open access: yesEuropean Journal of Entomology, 2019
Stable reference genes (RGs) determine the reliability of quantitative polymerase chain reaction (qPCR) analyses and it is recommended that different reference genes are used for different types of DNA and tissues.
Xin-Chao LIU, Zheng-Xi LI
doaj   +1 more source

Bursa İli Çilek Alanlarında Bulunan Homoptera Türleri

open access: yesJournal of Agricultural Sciences, 2004
Bu çalışma Bursa ili çilek alanlarında bulunan Homoptera takımına ait türleri belirlemek amacıyla 19982000 yıllarında yapılmıştır. Çalışmalar mayıs-ağustos ayları arasında haftada bir, ilkbahar başında ve sonbaharda 2 haftada bir yapılan gözlemlerle ...
O. Barış Kovancı
doaj   +1 more source

Abundance of Cereal Aphids (Homoptera: Aphididae) and Their Predators in Spring Wheat-Alfalfa Intercrops Under Different Crop Management Intensities [PDF]

open access: yes, 2018
Natural infestations of cereal aphids and abundance of their predators were compared from 1990 through 1993 among plots of intercropped spring wheat and alfalfa grown under high, intermediate, or low crop management intensity (CMI).
Evenson, Paul D   +2 more
core   +2 more sources

First records of the rhododendron leafhopper (Graphocephala fennahi) (Hemiptera: Auchenorrhyncha: Cicadellidae) from the Czech Republic

open access: yesPlant Protection Science, 2005
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
doaj   +1 more source

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