Results 21 to 30 of about 14,308 (180)

SEXES OF HOMOPTERA LUNATA [PDF]

open access: yesThe Canadian Entomologist, 1877
For the purpose of further testing conclusions stated on p. 174 regarding Homopteras lunata, edusa and Saundersii, I have secured all observed at my sugar since the former writing.There are 38 “lunata,” 23 “Saundersii” and 18 “edusa.” Having opportunity to examine these while fresh, I observed the anatomy of the sex organs in each specimen as captured.
openaire   +1 more source

Effect of Insect Infestation on some Internal Components of some Important Cactus Plants [PDF]

open access: yesJournal of Plant Protection and Pathology, 2019
This study was carried out to study effect of insect infestation on some internal components of some important cactus plants. So this study was carried out to study effect of insect infestation by three important insects on the internal components of ...
A. Emam   +3 more
doaj   +1 more source

ON HOMOPTERA AND ALLIED FORMS [PDF]

open access: yesThe Canadian Entomologist, 1876
The species of Homoptera stand in need of a revision. They are usually but partially and confusedly named in such collections as I have had access to. With regard to the generic title, its acceptance is only provisional. Two species, Phacocyma lunifera Hübn. and Phaeocyma fluctuaris Hü., are unknown to me.
openaire   +1 more source

Un nuevo género y una nueva especie de eriocóccido (Homoptera: Coccinea: Eriococcidae) de Tierra del Fuego (Chile)

open access: yesGraellsia, 2016
Se describe e ilustra Telmatococcus igniumterrae gen. nov. et sp. nov. basado en el material recolectado en una turbera de esfagno situada en el extremo sur de Sudamérica (Tierra del Fuego).
Ilya A. Gavrilov-Zimin   +1 more
doaj   +1 more source

Cuatro cigarrillas de la subfamilia Typhlocybinae (Homoptera, Cicadellidae) nuevas para la fauna española

open access: yesGraellsia, 2001
Los Tiflocíbinos son un grupo de insectos fitófagos poco conocidos en la Península Ibérica. Hasta ahora han sido citadas solamente unas setenta especies de cigarrillas.
D. Aguin Pombo
doaj   +1 more source

Homopteran Attendance by Wasps and Ants: The Stochastic Nature of Interactions

open access: yesPsyche: A Journal of Entomology, 1987
Associations of Hymenoptera with Homoptera have intrigued ecologists and evolutionary biologists as model systems of mutualism. The extensive body of literature, however, tends to be skewed to the interactions between ants and homopteran trophobionts in ...
Deborah K. Letourneau, Jae C. Choe
doaj   +1 more source

Do aphid endosymbiotic bacteria influence parasitoid searching behaviour through changes in aphid honeydew production?

open access: yesEcological Entomology, EarlyView.
Hamiltonella defensa infection increases honeydew production in certain aphid genotypes, potentially modifying aphid feeding behaviour. Parasitoid wasps, Aphidius ervi, are more attracted to honeydew from H. defensa‐infected aphids; though larger honeydew amounts may slightly deter searching.
Desiré Macheda   +5 more
wiley   +1 more source

Resource use by threatened, native Bull Trout (Salvelinus confluentus) in the presence of two non‐native salmonids

open access: yesJournal of Fish Biology, EarlyView.
Abstract Introduction of non‐native species contributes to the global decline of freshwater fishes by disrupting the diet and resources of native species through competition. Despite the potential for non‐native trout (Family: Salmonidae) to compete with native trout, non‐native trout species have been widely introduced worldwide to support ...
Jacqueline Pallard   +2 more
wiley   +1 more source

First report of Vryburgia amaryllidis (Bouché) (Homoptera, Pseudococcidae) on Agapanthus sp. in Sicily, Italy

open access: yesJournal of Entomological and Acarological Research, 2012
The lily mealybug, Vryburgia amarillidis (Bouché) (Homoptera, Pseudococcidae) was detected on containerized Agapanthus sp. plants in Sicily, Italy. The morphological characteristics of the Sicilian populations of this pest are described.
Santi Longo
doaj   +1 more source

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