Results 81 to 90 of about 12,468 (206)

Espécies de Triatominae (Hemiptera: Reduviidae) do Estado do Maranhão, Brasil

open access: yesCadernos de Saúde Pública, 1998
Cerca de 15 espécies de Triatominae são de conhecida ocorrência no Estado do Maranhão. Na Ilha de São Luís, zona do litoral, dez espécies já foram encontradas associadas às áreas silvestres: Eratyrus mucronatus, Psammolestes tertius, Panstrongylus diasi,
Rebêlo José Manuel Macário   +2 more
doaj  

Comparison of hemocytes of 5th-instar nymphs of Rhodnius prolixus (Stal) and Rhodnius robustus (Larousse 1927), before and after molting

open access: yesRevista de la Facultad de Medicina, 2015
Background. The immune response of insects involves humoral factors and cellular elements known as hemocytes. There are different reports that explore the response of hemocytes to infections, but the effect that molting has on this response has not been
Elizabeth Ruiz   +4 more
doaj   +1 more source

Source of Moulting Hormone in Rhodnius [PDF]

open access: yesNature, 1951
THE immediate source of the hormone which induces moulting in the larvae and pupae of Lepidoptera is the prothoracic gland1. But this gland is itself activated by a secretion from neuro-secretory cells in the dorsum of the brain2. It has seemed probable for some time that a similar two-stage control of moulting might exist in other insects3; and ...
openaire   +2 more sources

Ingestive behaviour and physiology of the medicinal leech [PDF]

open access: yes, 1988
Ingestion lasts 25 min in Hirudo medicinalis and is characterized by pharyngeal peristalsis which fills the crop. This peristalsis has an initial rate of 2.4 Hz which decays smoothly to 1.2 Hz at termination of ingestion. During ingestion, the leech body
Dickinson, M. H.   +3 more
core  

DmCatD, a cathepsin D-like peptidase of the hematophagous insect Dipetalogaster maxima (Hemiptera: Reduviidae): Purification, bioinformatic analyses and the significance of its interaction with lipophorin in the internalization by developing oocytes [PDF]

open access: yes, 2018
DmCatD, a cathepsin D-like peptidase of the hematophagous insect Dipetalogaster maxima, is synthesized by the fat body and the ovary and functions as yolk protein precursor. Functionally, DmCatD is involved in vitellin proteolysis.
Arrese, Estela L.   +8 more
core   +1 more source

Morin hydrate reduces survival and fertility, delays development and weakens lipid reserves in Aedes aegypti

open access: yesMedical and Veterinary Entomology, Volume 39, Issue 3, Page 592-602, September 2025.
Morin hydrate promoted mortality and reduced the rate of pupation and egg laying in Aedes aegypti larvae that survive treatment. Morin hydrate reduces the levels of triacylglycerol, the main lipid reserve in A. aegypti larvae. The expression of proteins involved in lipogenesis and lipolysis was downregulated and upregulated, respectively, in larvae ...
Luan Valim dos Santos   +9 more
wiley   +1 more source

RNA‐Based Biopesticides: Pioneering Precision Solutions for Sustainable Aquaculture in China

open access: yesAnimal Research and One Health, Volume 3, Issue 2, Page 165-176, May 2025.
The Chinese dragon represents RNA biopesticides, which effectively counteract bacterial, viral, and parasitic threats, safeguarding aquatic life. This method is precise, focusing solely on harmful agents and sparing beneficial aquaculture species. Its innovative nature protects aquatic environments while reducing ecological footprint.
Yiran Huang   +7 more
wiley   +1 more source

New kissing bug (Hemiptera: Reduviidae: Triatominae) records from Napo and Morona-Santiago provinces with distribution updates in Ecuador

open access: yesJournal of Threatened Taxa, 2018
Four species of Triatominae (Hemiptera: Reduviidae) are reported in four localities in Ecuadorian Amazonia.  Eratyrus mucronatus Stål, 1859, Rhodnius pictipes Stål, 1872 & Panstrongylus geniculatus (Latreille, 1811) in Napo Province, and Rhodnius ...
Ana Soto-Vivas   +5 more
doaj   +1 more source

VectorBase: improvements to a bioinformatics resource for invertebrate vector genomics. [PDF]

open access: yes, 2011
VectorBase (http://www.vectorbase.org) is a NIAID-supported bioinformatics resource for invertebrate vectors of human pathogens. It hosts data for nine genomes: mosquitoes (three Anopheles gambiae genomes, Aedes aegypti and Culex quinquefasciatus), tick (
Campbell, David   +13 more
core   +5 more sources

The cryptonephridial/rectal complex: an evolutionary adaptation for water and ion conservation

open access: yesBiological Reviews, Volume 100, Issue 2, Page 647-671, April 2025.
ABSTRACT Arthropods have integrated digestive and renal systems, which function to acquire and maintain homeostatically the substances they require for survival. The cryptonephridial complex (CNC) is an evolutionary novelty in which the renal organs and gut have been dramatically reorganised. Parts of the renal or Malpighian tubules (MpTs) form a close
Robin Beaven, Barry Denholm
wiley   +1 more source

Home - About - Disclaimer - Privacy