Results 51 to 60 of about 5,782 (226)

PANGIUM SP. LEAF EXTRACT AS BIOPESTICIDE ON BRASSICA OLERACEA PLANT IN NORTH SULAWESI PROVINCE, INDONESIA [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2021
Pangium sp. has the potential to be developed as a biopesticide because it has the ability to inhibit the activity of several types of insect pests. In this study, pangium leaf extract and pesticide were applied to Brassica oleraceae cabbage farms; to ...
Eva L. BAIDENG   +5 more
doaj  

To provide pollinator nesting habitat, cut dead perennial stems in their first winter

open access: yesInsect Conservation and Diversity, EarlyView.
Garden management practises need to consider stem‐nesting bees and wasps to avoid destroying active nests and important nesting materials. Volunteers collected samples of dead stems (in situ where they grew) in winter, spring, summer and fall as part of a participatory research project.
Hannah K. Levenson   +3 more
wiley   +1 more source

A new species of Hadrocryptus (Hymenoptera: Ichneumonidae: Cryptinae), with the first account of the biology for the genus

open access: yesJournal of Hymenoptera Research, 2012
A new species of the cryptine genus Hadrocryptus is described based on specimens reared from bamboo trap nests in Hong Kong. Hadrocryptus perforator sp. nov.
Gavin Broad, Christophe Barthélémy
doaj   +1 more source

Observations on the Nesting of \u3ci\u3eCrabro Tenuis\u3c/i\u3e (Hymenoptera: Sphecidae) [PDF]

open access: yes, 2017
Three nests of Crabro tenuis were studied during June 1971-1972 in Oswego County, New York. Females constructed shallow but lengthy, multicelled nests in sand with the cells being built in clusters, sometimes in series. Females plugged the entrances with
Kurczewski, Frank E, Miller, Richard C
core   +2 more sources

Evolution of Peripheral Visual System in the Apoidea: A Role for Food Item Mobility?

open access: yesEcology and Evolution, Volume 16, Issue 5, May 2026.
Since larger compound eyes and ocelli altogether improve vision, one may expect that insects specialised in chasing very mobile resources possess such morphological optimisation. By analysing 77 species of bees and wasps, we have found that wasps had larger eyes, but not larger ocelli, than bees.
Chiara Francesca Trisoglio   +4 more
wiley   +1 more source

New records of two Nyssonini (Bembicinae: Crabronidae) species from Korea, with a key to higher taxa of Sphecidae s. lat. occurring in Korea

open access: yesJournal of Asia-Pacific Biodiversity, 2015
Two Nyssonini (Bembicinae: Crabronidae: Apoidea) species, namely Nippononysson rufopictus and Nysson spinosus, are newly recorded in Korea. The genus Nippononysson is mentioned for the first time in Korean fauna.
Jeong-Kyu Kim
doaj   +1 more source

Insektenfraßspuren in letztinterglazialen Hölzern aus den Sanden und Kiesen der nördlichen Oberrheinebene [PDF]

open access: yesEiszeitalter und Gegenwart, 1984
Aus den jungpleistozänen Schottern der Oberrheinebene werden Hölzer des letzten Interglazials beschrieben, die von Holzinsekten befallen sind. An Hölzern von Picea vel Larix (3x), Abies alba (2x), Ulmus sp.
R. Klinger, W. Von Koenigswald, A. Kreuz
doaj   +1 more source

Influence of Tree Species on Frequency of Trap-Nest Use by \u3ci\u3ePassaloecus\u3c/i\u3e Species (Hymenoptera: Sphecidae) [PDF]

open access: yes, 2017
Habitat selection by Passaloecus spp. based upon tree species used as stations for artificial nesting sites were studied. Data suggest that Passaloecus areolatus preferred Juglans and that P.
Fricke, John M
core   +2 more sources

Network rewiring and species turnover stabilize plant–pollinator interactions across habitats and seasons in dry forest

open access: yesEcosphere, Volume 17, Issue 5, May 2026.
Abstract Mutualistic interactions between plants and pollinators are fundamental to biodiversity maintenance and ecosystem resilience, yet their dynamics across space and time in tropical dry forests have not been widely examined. We analyzed plant–pollinator networks across seasons and habitat types in the highly seasonal and fragmented dry forest of ...
Julissa Rojas‐Sandoval   +5 more
wiley   +1 more source

Biology and Distribution of \u3ci\u3eTachysphex Aethiops\u3c/i\u3e in Michigan (Hymenoptera: Sphecidae: Larrinae) [PDF]

open access: yes, 2017
Tachysphex aethiops is a primarily western species that also occurs in the Upper Peninsula of Michigan. Females nest in mossy, sand slopes and utilize pre-existing burrows of other insects.
O\u27Brien, Mark F
core   +2 more sources

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