Results 71 to 80 of about 65,974 (306)

Development of Eye Colors in Drosophila: Extraction of the Diffusible Substances Concerned [PDF]

open access: yes, 1937
The development of eye color in Drosophila is known to involve special diffusible substances [1,2]. A genetically vermilion (v) eye will develop wild-type eye color if it is supplied with v+ substance by transplantation or by injection of body fluid of ...
Beadle, G. W., Thimann, Kenneth V.
core  

First Canadian Record of \u3ci\u3eHexacola Neoscatellae\u3c/i\u3e (Hymenoptera: Figitidae: Eucoilinae), A Parasitoid of the Shore Fly, \u3ci\u3eScatella Stagnalis\u3c/i\u3e [PDF]

open access: yes, 2018
This paper documents the first occurrence of Hexacola neoscatellae, a shore fly parasitoid, in Canada. The discovery of H. neoscatellae is significant because currently there are no suitable biological control agents available for shore fly control to ...
Allen, Wayne R   +3 more
core   +2 more sources

The use of edible insects in human food

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract The world population is expected to reach approximately 10 billion people by 2050, which will significantly increase global food demand and may lead to agricultural shortages and a higher risk of food insecurity. In this context, this review discusses the potential of insects as alternative sources of animal protein, addressing their ...
Pamela Barroso de Oliveira   +5 more
wiley   +1 more source

Description of the larvae of Cricotopus festivellus (Kieffer 1906) and Cricotopus diversus (Boesel 1983) with keys to discrimination of larval, pupal and adult stages (Diptera: Chironomidae)

open access: yesCHIRONOMUS Journal of Chironomidae Research, 2020
The larva of two very similar Cricotopus species are described for the first time: Cricotopus diversus (Nearctic) and C. festivellus, new description (West Palaearctic).
Hub Cuppen   +2 more
doaj   +1 more source

The Mexican Bean Beetle [PDF]

open access: yes, 1924
Exact date of bulletin unknown.PDF pages ...
Parks, T. H.
core  

“Tremble, pests”: Insect natural enemy‐induced changes in pests before attack and their implications for biological control

open access: yesNew Plant Protection, EarlyView.
Abstract Insect natural enemies, encompassing predators and parasitoids, serve as vital regulators of pest populations and architects of ecosystem balance. Most studies on natural enemies have focused on understanding the mechanisms by which these insects eliminate pests after an attack.
Yaoyao Chen   +3 more
wiley   +1 more source

An RNA interference biopesticide reduces reproduction of the honey bee parasite Varroa destructor by down‐regulating embryo development pathways

open access: yesPest Management Science, EarlyView.
Varroa destructor mites exposed to dsRNA specific in sequence to a V. destructor calmodulin gene significantly effected gene expression of adult female mites sampled 5 days after entering a honey bee brood cell to reproduce. Significantly down‐regulated genes included Calmodulin and were associated with calcium ion binding and embryo developmental ...
Zoe E Smeele   +10 more
wiley   +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

Redescription of \u3ci\u3eMicropsectra Polita\u3c/i\u3e (Diptera: Chironomidae) with the Female and Immature Stages [PDF]

open access: yes, 2017
(excerpt) Malloch (1915) described Micropsectra polita (as Tanytarsus politus) from males collected along the banks of Central Dredge Ditch at Easton, Mason County, llIinois. Females of this species were not collected at that time.
Webb, Donald W
core   +2 more sources

How effective are entomopathogenic nematodes for vine weevil (Coleoptera: Curculionidae) biological control? A meta‐analysis

open access: yesPest Management Science, EarlyView.
Entomopathogenic nematodes provide reliable biological control of vine weevil larvae, reducing populations by 63% on average. All five tested species are effective, with temperature (18–30 °C) being the strongest predictor of success. Abstract BACKGROUND Vine weevil (Otiorhynchus sulcatus) is a globally important pest of soft fruit and ornamental crops
Joe M. Roberts   +5 more
wiley   +1 more source

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