Results 31 to 40 of about 108 (85)

A contribution to the sphecid wasps of Iran (Hymenoptera: Sphecidae), including first record of six species [PDF]

open access: yes, 2008
مطالعات انجام شده در مورد زنبورهای خانواده‌ی Sphecidae توسط محققان ایرانی محدود است، اما محققان خارجی مطالعات نسبتاً زیادی در مورد زنبورهای این خانواده در ایران انجام داده‌اند. در این مقاله‌ی کوتاه ضمن بررسی اجمالی مطالب منتشر شده در مورد فون این خانواده
E. Ebrahimi
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Geographic variation in the morphology and behavioural ecology of a sphecid wasp [PDF]

open access: yes, 2018
A comparative study between populations of Mellinus arvensis (Hymenoptera: Sphecidae) was carried out in Britain. Large variations in size were found between populations and these were correlated with environmental, thermal, and biological factors.
Ghazoul, Jaboury
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Pollination Dynamics in Two Subalpine Flower Meadows [PDF]

open access: yes, 1979
Plant-pollinator interactions were studied in two subalpine meadows to determine the role of pollination in structuring the herbaceous flower communities.
Beedlow, Peter Andrew, III
core   +4 more sources

Improving floral resources for bees and other flower-visiting insects: key ecological & human dimensions [PDF]

open access: yes, 2021
This thesis contributes to the current field of research exploring how to improve floral resource availability for flower-visiting insects (FVI). This objective is increasingly both important and difficult, as we experience rapid global anthropogenic ...
Wignall, Veronica
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Определитель насекомых Европейской части СССР. Т. 3: Перепончатокрылые. Ч. 1 [PDF]

open access: yes, 1978
Основное содержание книги — определительные таблицы жалящих (пли жалоносных) перепончатокрылых (все группы ос, кроме бетилоидных, пчелиные и муравьи).

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Foraging Behaviour and Individuality in the Common Wasp (Vespula vulgaris)

open access: yes, 2015
The extreme ecological success of insect societies is frequently attributed to the division of labour within their colonies (Chittka & Muller, 2009; Holldobler & Wilson, 2009; E. Wilson & Hölldobler, 2005).
Santoro, Davide
core   +2 more sources

Selective Utilization of Microhabitats by Web-building Spiders [PDF]

open access: yes, 2013
Natural enemies are members of complex ecological communities, and their ability to contribute to the biological control of pest organisms is strongly influenced by a convoluted network of ecological interactions with many other organisms within these ...
Welch, Kelton D.
core   +1 more source

Estudos comparados sobre morfologia de imaturos e comportamento de Sphecinae (Insecta: Hymenoptera: Sphecidae) [PDF]

open access: yes, 2004
The subfamily Sphecinae is composed of 19 genera and about 700 species widespread in the world. This group is very diverse and complex behaviourally.
Buys, Sandor Christiano
core   +1 more source

Natura Somogyiensis 2017. [PDF]

open access: yes, 2017
30.: Válogatott tanulmányok ...

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Systematics of the Australian Cryptocephalinae (Coleoptera: Chrysomelidae)

open access: yes, 1990
The morphology of the larvae, pupae and adults of Camptosomata (Cryptocephalinae and sister-group Lamprosomatinae) is reviewed, with special reference to the Australian fauna. Terminology for the larval structures is redefined and a special study is made
Reid, Christoper Athol McEwan
core   +1 more source

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