Results 31 to 40 of about 4,929 (208)

Nutritive cost of intraguild predation on eggs of Coccinella septempunctata and Adalia bipunctata (Coleoptera: Coccinellidae)

open access: yesEuropean Journal of Entomology, 2000
Coccinella septempunctata was approximately 20% more reluctant to eat the eggs of Adalia bipunctata than the reverse. In addition, fourth instar larvae of C. septempunctata failed to complete their development on a diet of A. bipunctata eggs and only 30%
Jean-Louis HEMPTINNE   +2 more
doaj   +1 more source

The Toxicity Response of Coccinella septempunctata L. (Coleoptera: Coccinellidae) after Exposure to Sublethal Concentrations of Acetamiprid

open access: yesAgriculture, 2022
Coccinella septempunctata is a nontarget beneficial arthropod and an important aphid predator in agricultural crops. In this study, the toxic effects of the neonicotinoid acetamiprid on C.
Yong You   +8 more
doaj   +1 more source

Biology and feeding potential of Coccinella septempunctata (Linn.) against Lipaphis erysimi (Kalt) at different temperature regimes [PDF]

open access: yes, 2016
Biology and feeding potential of Coccinella septempunctata (Linn.) were studied in laboratory on 3rd instar nymphs of mustard aphid (Lipaphis erysimi Kalt.) at two different temperature regimes.
Bisht, R. S.   +2 more
core   +2 more sources

Voracité comparative de trois coccinelles prédatrices contre le tétranyque rouge du pommier [Acarina : Tetranychidae] [PDF]

open access: yes, 1997
La voracité de la coccinelle à sept points, Coccinella septempunctata, de la coccinelle à quatorze points, Propylea quatuordecimpunctata, et de la coccinelle orientale, Harmonia axyridis, [Coleoptera : Coccinellidae] a été évaluée en laboratoire face au ...
Coderre, D., Lapalme, S., Lucas, É.
core   +1 more source

Recent Detections of a Rare Native Lady Beetle, \u3ci\u3eCoccinella Novemnotata\u3c/i\u3e (Coleoptera: Coccinellidae), in Minnesota [PDF]

open access: yes, 2018
Coccinella novemnotata Herbst (Coleoptera: Coccinellidae) was once widespread and commonly collected in North America; however, its abundance and distribution decreased over the 1970s and 1980s.
Koch, Robert L
core   +2 more sources

Voracity of Coccinella undecimpunctata: effects of insecticides when foraging in a prey/plant system [PDF]

open access: yes, 2011
Copyright © Springer-Verlag 2011.Coccinella undecimpunctata L. is a euryphagous predator established in Azores that offers interesting potential as a control agent in the context of integrated pest management (IPM).
Cabral, Susana   +2 more
core   +1 more source

Morpho-taxonomic study of genus Coccinella (Coleoptera: Coccinellidae) in agricultural ecosystems of Doon Valley, Uttarakhand

open access: yesEnvironment Conservation Journal
Present study was carried out to know the Morpho-Taxonomic Status of Genus Coccinella (Coleoptera: Coccinellidae) in Agricultural Ecosystem of Doon Valley, Uttarakhand.
Pramod Chandra Khanduri   +1 more
doaj   +1 more source

Assessing the ecological risk posed by a recently established invasive alien predator: Harmonia axyridis as a case study [PDF]

open access: yes, 2016
Invasive alien predators are a serious threat to biodiversity worldwide. However, there is no generic method for assessing which local species are most at risk following the invasion of a new predator.
A Katsanis   +60 more
core   +1 more source

Characteristics and drivers of high-altitude ladybird flight: insights from vertical-looking entomological radar [PDF]

open access: yes, 2013
Understanding the characteristics and drivers of dispersal is crucial for predicting population dynamics, particularly in range-shifting species. Studying long-distance dispersal in insects is challenging, but recent advances in entomological radar offer
Brown, Peter M. J.   +6 more
core   +8 more sources

Competition for Aphid Prey between Different Lady Beetle Species in a Laboratory Arena

open access: yesPsyche: A Journal of Entomology, 2012
Direct competition for aphid prey (Hemiptera: Aphididae) was evaluated between and among several lady beetle species (Coleoptera: Coccinellidae). The behavior of three native (Coccinella trifasciata, Coleomegilla maculata, and Hippodamia convergens) and ...
Christy Leppanen   +2 more
doaj   +1 more source

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