Results 1 to 10 of about 247,311 (312)

Effets de l'exposition à un insecticide carbamate, le carbofuran, sur les performances de jeunes stades de brochet (Esox lucius L., 1758) : résultats préliminaires

open access: yesKnowledge and Management of Aquatic Ecosystems, 1998
Des lots de jeunes brochets au stade embryon libre, stabulés dans des béchers en verre, ont été exposés en conditions statiques à des solutions (0-250 µg.L-1) de carbofuran, un insecticide carbamate inhibiteur de l'activité de l'acétylcholinestérase ...
AMBLARD G.   +3 more
doaj   +1 more source

Description of the fourth instar larva of Lutzomyia longipalpis, under scanning electron microscopy

open access: yesMemorias do Instituto Oswaldo Cruz, 1996
The fourth instar larva of Lutzomyia (Lutzomyia) longipalpis (Phlebotomidae: Phlebotominae) was studied by scanning electron microscope. Based on three-dimensional observations, the fine structure and setal position (using of setal numeration) of the ...
Antônio Cesar Rios Leite, Paul Williams
doaj   +1 more source

Taxonomy and biology of Culex (Culex) maxi Dyar (Diptera: Culicidae) in South America

open access: yesMemorias do Instituto Oswaldo Cruz, 1996
Culex (Culex) maxi Dyar is described in the adult, pupal and larval stages, and the male genitalia and parts of the fourth-instar larva are illustrated. The larva is described for the first time.
Walter R Almirón, Ralph E Harbach
doaj   +1 more source

A new species of larval Abrolophus (Trombidiformes: Erythraeidae) from Iran with a key to species without a comb-like seta on the palptarsus

open access: yesPersian Journal of Acarology, 2022
Larvae of Abrolophus hajiqanbari sp. nov. (Trombidiformes: Erythraeidae) collected from soil and litter (off host) in Chahardeh and Chahkand villages, Birjand, South Khorasan province, Iran are described and illustrated.
Javad Noei
doaj   +1 more source

HYDROGEOLOGICAL AND HYDROCHEMICAL FEATURES OF KALNIK MASSIF

open access: yesRudarsko-geološko-naftni Zbornik, 2008
Kalničko gorje consists of Cretaceous – Holocene sediments, which can be in hydrogeological sense classified in three hydrogeological units: (1) northern area from central massive of Kalnik, consists of Cretaceous and low Miocene impermeable and low ...
Vinko Mraz   +2 more
doaj  

Description of the first-instar larva of Geocharidius (Coleoptera: Carabidae: Trechitae) with a discussion of the phylogeny of the subtribe Anillina

open access: yesEuropean Journal of Entomology, 2002
This paper describes the first-instar larva of Geocharidius Jeannel, a species from Mexico, which is the second record of an Anillina (Coleoptera: Carabidae: Trechitae) larva; previously described was a species of the European genus Typhlocharis.
Vasily V. GREBENNIKOV
doaj   +1 more source

Feeding habits of the endangered Japanese diving beetle Hydaticus bowringii (Coleoptera: Dytiscidae) larvae in paddy fields and implications for its conservation

open access: yesEuropean Journal of Entomology, 2020
The diving beetle Hydaticus bowringii Clark, 1864 (Coleoptera: Dytiscidae) is on the Red List of Japan as 'Near Threatened'. However, there is no quantitative information on the feeding habits of its larvae, which could be used to aid its conservation ...
Reiya WATANABE   +2 more
doaj   +1 more source

Developmental stages and viability of Toxocara canis eggs outside the host

open access: yesBiomédica: revista del Instituto Nacional de Salud, 2018
Introduction: Toxocariasis is a soil-transmitted zoonotic disease caused mainly by ingestion of larvated eggs of Toxocara canis. Objectives: To study the morphology of the intraovular developmental stages of Toxocara canis in culture, characterize non ...
Iman Fathy Abou-El-Naga
doaj   +1 more source

Effects of acidification on the proteome during early development of Babylonia areolata

open access: yesFEBS Open Bio, 2019
Increases in atmospheric CO2 partial pressure have lowered seawater pH in marine ecosystems, a process called ocean acidification (OA). The effects of OA during the critical stages of larval development may have disastrous consequences for some marine ...
Guilan Di   +7 more
doaj   +1 more source

Incidence of Larval Anisakiosis in Ocean Fish Sold Through Network of Supermarket Stores

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
Investigations conducted on a sample of 33 ocean fish of consumption, mackerel and herring uneviscerated and frosen, packed in plastic bags, different weights and purchased from supermarket chain stores, concerning the incidence and intensity of ...
Octavian Negrea   +6 more
doaj  

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