Results 31 to 40 of about 790 (261)

Clave para la determinación de exuvias pupales de los quironómidos (Diptera: Chironomidae) de ríos altoandinos tropicales

open access: yesRevista de Biología Tropical, 2014
Chironomidae es una familia cosmopolita de dípteros nematóceros que comprende más de 20 000 especies descritas. Sin embargo, la diversidad de géneros y especies presentes en la región andina del Neotrópico es poco conocida.
Narcís Prat   +2 more
doaj  

Primeiro relato de Spalangia nigroaenea Curtis, 1839 (Hymenoptera: pteromalidae) em pupas de fannia pusio (Wiedemann, 1830) (Diptera: fanniidae) no Brasil First report of Spalangia nigroaenea Curtis, 1839 (Hymenoptera: Pteromalidae) in pupae of Fannia pusio (Wiedemann, 1830) (Diptera: Fanniidae) in Brazil

open access: yesCiência e Agrotecnologia, 2008
Relata-se a primeira ocorrência do parasitóide Spalangia nigroaenea Curtis, 1839 (Hymenoptera: Pteromalidae) em pupas de Fannia pusio (Wiedemann, 1830) (Diptera: Fanniidae), no Brasil. Pupas de F.
Carlos Henrique Marchiori   +1 more
doaj   +1 more source

Drosophila male genitalia rotation depends on permissive remodeling of the posterior abdomen

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background One of the most characteristic morphogenetic processes in Drosophila is the 360° rotation of the male pupal genital disc. This movement is driven by the myosin Myo1D, whose expression in the genital disc is controlled by the Hox gene Abdominal‐B (Abd‐B).
Nuria Prieto   +6 more
wiley   +1 more source

Organización de una colonia de Haemagogus equinus Theobald

open access: yesCaldasia, 1944
Se emprendieron estos estudios con el fin de evitar la influencia de las condiciones climatéricas que en determinadas épocas de cada año ocasiona casi la completa ausencia de ejemplares disponibles para los experimentos de transmisión con virus de fiebre
Osorno Mesa Ernesto
doaj  

Simuliidae da Amazônia VI. Descrição do Simulium meruoca sp. n. (Diptera, Nematocera) [PDF]

open access: yesActa Amazonica, 1973
Sinopse Os autores descrevem uma nova espécie de Diptera-Simuliidae, o Simulium meruoca, de material coligido no Território Federal de Roraima, no trecho da estrada BR-401, entre Boa Vista e Bonfim, local de grande incidência de ataque de "pium", embora ...
J. A. Nunes de Mello   +2 more
doaj   +1 more source

Bioactive compounds in insects—Composition, extraction, functionality, food applications, and safety concerns

open access: yesFood Biomacromolecules, EarlyView.
This review synthesizes 94 studies (2000–2025) exploring edible insects as sustainable sources of peptides, lipids, and chitin. Utilizing “green” extraction, these bioactives offer antioxidant and antimicrobial benefits for functional foods. However, addressing safety concerns like allergenicity and heavy metals through standardized frameworks remains ...
Blessing Rachael Adeyeye   +1 more
wiley   +1 more source

Analysis of Gene Expression in Aedes aegypti Suggests Changes in Early Genetic Control of Mosquito Development

open access: yesJournal of Experimental Zoology Part B: Molecular and Developmental Evolution, EarlyView.
ABSTRACT Aedes aegypti, a critical vector for tropical diseases, poses significant challenges for studying its embryogenesis due to difficulties in removing its rigid chorion and achieving effective fixation for in situ hybridization. Here, we present novel methodologies for fixation, dechorionation, DAPI staining, and in situ hybridization, enabling ...
Renata Coutinho‐dos‐Santos   +8 more
wiley   +1 more source

Pupa sulcata

open access: yes, 2023
Published as part of Valdés, Ángel, Feliciano, Kendall & Malaquias, Manuel A. E., 2023, The genus Pupa Röding, 1798 (Mollusca, Gastropoda, Acteonidae) in New Caledonia with notes on Recent species, pp. 471-506 in Zootaxa 5270 (3) on pages 480-481, DOI: 10.11646/zootaxa.5270.3.4, http://zenodo.org/record ...
Valdés, Ángel   +2 more
openaire   +2 more sources

Curly protein nanofibril systems for improving thermal stability and copigmentation of hibiscus anthocyanins

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Anthocyanins are attractive natural colorants for clean‐label food applications; however, their widespread use is limited by poor thermal stability. Protein nanofibrils have recently emerged as promising natural stabilizers because of their high surface area and ability to interact with anthocyanins through non‐covalent interactions.
Vildan Eyiz   +2 more
wiley   +1 more source

Ciclo de vida, hábitos y enemigos naturales de Omiodes martynalis Lederer (Lep. Pyralidae) en matarratón (Gliricidia sepium, Jacq. Stend)

open access: yesActa Agronómica, 1990
El estudio se realizó en el laboratorio de Entomología de la Universidad Nacional de Colombia y en el perímetro urbano y rural de la ciudad de Palmira. Para estudiar el estado oval, se usaron jaulas de cría, en el laboratorio y en el campo.
Guerrero C. H.   +2 more
doaj  

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