Results 81 to 90 of about 1,580 (170)

Feeding Behavior and Host Plant Preferences of Episyrphus balteatus‎ (DeGeer) ‎ and Ischiodon scutellaris ‎(Fabricius) ‎ in Southern Punjab, Pakistan

open access: yesKufa Journal for Agricultural Sciences
During the present study, 300 adults along with 30 larvae of Episyrphus balteatus and 212 adults along with 25 larvae of Ischiodon scutellaris were collected from 15 and 13 host plants, respectively from Bahawalpur, Southern Punjab, Pakistan. The adults
Roshan Ali Jamali   +3 more
doaj   +1 more source

L'impact du miellat de puceron au niveau des relations tritrophiques entre les plantes-hôtes, les insectes ravageurs et leurs ennemis naturels [PDF]

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2009
Aphid honeydew impact on the tritrophic relationships between host-plants, phytophagous insects and their natural enemies. Tritrophic relations between plants, phytophagous insects and beneficials are based on the presence of chemical cues in the ...
Leroy P., Capella Q., Haubruge E.
doaj  

Year‐round pollinator visitation of ornamental plants in Mediterranean urban parks

open access: yesInsect Conservation and Diversity, Volume 19, Issue 3, Page 702-715, May 2026.
Pollinators visiting ornamental plants in urban parks remained diverse throughout the year. They were represented by wild bees (42%), honeybees (37%), flies (18%), butterflies (2%) and beetles (1%). Both native and non‐native plants attracted pollinators.
Alejandro Trillo   +3 more
wiley   +1 more source

Faunistic analysis of Episyrphus balteatus De Geer

open access: yes, 2009
E. balteatus belongs to sub-family Syrphinae, tribe Syrphini, genus Episyrphus Matsumura et Adachi, 1917. This species is primarily predator and it occupies the third level of the food chain (tobacco - M. persicae - E. balteatus). E.
Krsteska, Vesna
core  

Sambucus nigra L. as a reservoir of beneficial insects (Diptera, Syrphidae)

open access: yesFolia Horticulturae, 2016
Black elder (Sambucus nigra L.) commonly occurs throughout the country – it can be found in forests, thickets, parks, balks or in home gardens. It is a valuable reservoir of food for beneficial insects and a place of refuge or wintering.
Wojciechowicz-Żytko Elżbieta   +1 more
doaj   +1 more source

Review of tribe Syrphini (Dip.: Syrphidae) in Iran [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2007
The specimens of the tribe Syrphini, deposited at the Hayk Mirzayans Insect Museum, were examined and 30 species identified, of which one genus and three species are newly recorded from Iran and marked by an asterisk (*).
E. Gilasian
doaj  

Identification of limonene as a potential kairomone of the harlequin ladybird Harmonia axyridis (Coleoptera: Coccinellidae)

open access: yesEuropean Journal of Entomology, 2010
Chemical cues involved in both host location and oviposition by Harmonia axyridis Pallas (Coleoptera: Coccinellidae) were investigated in laboratory and field experiments.
Ammar ALHMEDI   +2 more
doaj   +1 more source

Pollination efficiency of important insect visitors on pomegranate (Punica granatum) under mid hill conditions of Himachal Pradesh

open access: yesThe Indian Journal of Agricultural Sciences
Insect pollinators are found to be highly significant in enhancing the quality fruit production and productivity. The experiment was conducted during April–May 2020 and 2021 at Dr Y. S.
SAKSHAM THAKUR   +5 more
doaj   +1 more source

Discriminating small wooded elements in rural landscape from aerial photography: a hybrid pixel/object-based analysis approach [PDF]

open access: yes, 2009
While small, fragmented wooded elements do not represent a large surface area in agricultural landscape, their role in the sustainability of ecological processes is recognized widely.
Ouin, Annie   +5 more
core   +1 more source

Entomological survey of aphids natural enemies on two vegetable crops (Vicia faba and Solanum tuberosum) in the mountainous region of Kabylie (Iferhounène, Algeria)

open access: yesJournal of Biological Research
A survey of aphid natural enemies was carried out on two crops fava bean (Vicia faba) and potato (Solanum tuberosum) in the Iferhounène region (Tizi Ouzou, Algeria) between November 2022 and March 2023.
Nabila Taleb   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy