Results 31 to 40 of about 101,848 (248)

Mate choice and reproductive success of two morphs of the seven spotted ladybird, Coccinella septempunctata (Coleoptera: Coccinellidae)

open access: yesEuropean Journal of Entomology, 2005
Mate choice, reproductive success and fecundity of typical and melanic morphs of C. septempunctata were studied. Melanic as well as typical individuals preferred to mate with melanic males and females.
Shefali SRIVASTAVA, OMKAR
doaj   +1 more source

Investigations into stability in the fig/ fig-wasp mutualism [PDF]

open access: yes, 2010
Fig trees (Ficus, Moraceae) and their pollinating wasps (Chalcidoidea, Agaonidae) are involved in an obligate mutualism where each partner relies on the other in order to reproduce: the pollinating fig wasps are a fig tree’s only pollen disperser ...
Al-Beidh, Sarah, Al-Beidh, Sarah
core   +1 more source

Some Effects of Photoperiod and Cold Storage on Oviposition of the Cereal Leaf Beetle Oulema Melanopus (Coleptera: Chrysomelidae) [PDF]

open access: yes, 2017
An expanded program of research on the cereal leaf beetle, Oulema melanopus (L.), in various north-central states has made it necessary to develop methods of rearing all stages of the beetle for laboratory use. Because the insect survives diapause in the
Connin, R. V., Jantz, O. K.
core   +2 more sources

The Distribution of Saperda Inornata and Oberea Schaumii (Coleoptera: Cerambycidae) within the Crowns of Large Trembling Aspens, Populus Tremuloides [PDF]

open access: yes, 2017
The larvae of Saperda inornata Say and Oberea schaumii LeConte inhabit the stems of trembling aspen (Populus tremuloides Michaux) root suckers and the twigs of larger trees. Nord et al.
Knight, Fred B., Nord, John C.
core   +3 more sources

Multimodal Signaling in Myrmecophilous Butterflies

open access: yesFrontiers in Ecology and Evolution, 2019
Ant nests and their surrounding territories represent a hoard of trophic resources, as well as of stable and protected environments for many arthropods involved in commensal, mutualistic, or parasitic associations.
Luca Pietro Casacci   +4 more
doaj   +1 more source

A Simple and Efficient Tool for Trapping Gravid Anopheles at Breeding Sites. [PDF]

open access: yes, 2011
No effective tool currently exists for trapping ovipositing malaria vectors. This creates a gap in our ability to investigate the behavior and ecology of gravid Anopheles.\ud Here we describe a simple trap that collects ovipositing Anopheline and ...
Devine, Gregor   +5 more
core   +6 more sources

Comparing Different Larval Food Sources and Temperature Regimes for the Rearing of Culicoides obsoletus/scoticus Complex Midges, the Predominant Bluetongue, and Schmallenberg Virus Vectors in Northern Europe

open access: yesProceedings, 2020
During the last decade, Europe was confronted with the emergence of two Culicoides-borne viruses, bluetongue virus and Schmallenberg virus. Both diseases caused economic losses in cattle, sheep, and goats. Despite their importance, only limited knowledge
Charlotte Sohier   +2 more
doaj   +1 more source

Biopotency of Salicylic Acid against Oviposition and Feeding Behavior of Pectinophora gossypiella in Cotton

open access: yesBiology and Life Sciences Forum, 2023
Pectinophora gossypiella (Saunders) is a potential threat for the successful cultivation of cotton all over the world. Despite the use of modern management strategies, the damage caused by this pest is increasing.
Muhammad Rehan Akhtar   +1 more
doaj   +1 more source

The chicken embryo and its micro environment during egg storage and early incubation [PDF]

open access: yes, 2008
When egg storage periods are prolonged (>7 days), hatchability and chick quality declines. The reason for this decline has been investigated, but is still not completely understood.
Brand, H., van den   +3 more
core   +2 more sources

Eggs fertility and biological aspects of the life cycle in natural populations of Simulium (Diptera, Simuliidae)

open access: yesBrazilian Archives of Biology and Technology, 2006
Eggs fertility rate and some biological aspects of the immature forms were studied on six Simulium species from ovipositions collected in natural breeding places located in rural area. The fertility was considerably high.
Fabiane Petry   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy