Results 31 to 40 of about 147,763 (227)

Two new species of Pambolus (Hymenoptera, Braconidae) from Jamaica [PDF]

open access: yes, 2012
Pambolus albospina sp. n. and Pambolus rastafari sp. n. are described from Jamaica. Pambolus rastafari can be distinguished from all other Neotropical species of the genus by its antennal color pattern and the smooth sculpture of the head and mesoscutum.
Ceccarelli, Fadia Sara   +2 more
core   +2 more sources

Identification d'insectes vecteurs "potentiels" du Cape Saint Paul Wilt sur le cocotier au Ghana par PCR [PDF]

open access: yes, 2008
Le vecteur du phytoplasme responsable du jaunissement mortel du cocotier au Ghana est inconnu à ce jour. Il est cependant admis que les phytoplasmes sont transmis par des insectes piqueurs-suceurs, ces insectes étant supposés être les seuls à avoir la ...
Descamps, Sophie   +7 more
core  

Mesozoic Coleopteran Faunas fromArgentina: Geological Context, Diversity, Taphonomic Observations, and Comparison with Other Fossil Insect Records [PDF]

open access: yes, 2012
The order Coleoptera is the most diversified group of the Class Insecta and is the largest group of the Animal Kingdom. This contribution reviews the Mesozoic insects and especially the coleopteran records from Argentina, based on bibliographical and ...
Gallego, Oscar Florencio   +2 more
core   +2 more sources

Environmental Stress Drives Plasticity in Sexual Bimaturism in the Black Soldier Fly (Hermetia illucens Linnaeus, 1758)

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
We measured the plasticity in sexual bimaturism (SBM; differences between sexes in the timing of sexual maturity) in the black soldier fly (BSF) by exposing larvae to nutrient availability and humidity stress. Our results show that SBM can range between protandry and protogyny depending on the environmental quality. Additionally, we found the degree of
Luis Rodrigo Arce‐Valdés   +4 more
wiley   +1 more source

Los Artrópodos Venenosos de Importancia Médica en Ecuador: Estado del Conocimiento y Perspectivas de Investigación

open access: yesRevista Científica de Ciencias Naturales y Ambientales, 2021
Los artrópodos con glándulas productoras de veneno capaces de ocasionar accidentes de importancia en humanos han sido poco estudiados en Ecuador desde los puntos de vista epidemiológico, clínico o bioquímico a pesar de contar el país con una elevada ...
Adolfo Borges   +10 more
doaj   +1 more source

Berberis microphylla: A species with phenotypic plasticity in different climatic conditions [PDF]

open access: yes, 2018
Berberis microphylla G. Forst., commonly called as "calafate" produces small fruits with high content of carbohydrates, phenols and antioxidants. The objective of this work was to characterize the vegetative and reproductive cycle of Berberis microphylla
Alonso, Marta   +2 more
core   +1 more source

Fly me to the canopy: Diptera communities in oak forest crowns as bioindicators of stand decline

open access: yesInsect Conservation and Diversity, EarlyView.
Diptera diversity: Oak decline increases the overall Diptera diversity, particularly in saproxylic and floricolous guilds, likely due to more open canopies and greater deadwood and floral resource availability. Family responses: Dolichopodidae, Empididae, Hybotidae and Anthomyiidae thrive in declining stands, whereas Mycetophilidae and other fungus ...
Anastasia Paupe   +32 more
wiley   +1 more source

Wolbachia infection in Argentinean populations of Anastrepha fraterculus sp1: preliminary evidence of sex ratio distortion by one of two strains

open access: yesBMC Microbiology, 2019
Background Wolbachia, one of the most abundant taxa of intracellular Alphaproteobacteria, is widespread among arthropods and filarial nematodes. The presence of these maternally inherited bacteria is associated with modifications of host fitness ...
Claudia Alejandra Conte   +6 more
doaj   +1 more source

Insectos y ácaros de la yuca y su control [PDF]

open access: yes, 2017
Insects and mites that attack cassava are described and grouped according to the part of the plant affected, and some control measures are given: (1) Insects that attack planting material: scale insects (Aonidomytilus albus), fruit flies (Anastrepha spp.)
Arias V., Bernardo   +3 more
core  

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