Results 21 to 30 of about 163,284 (313)

The Effects of Different Diets and Transgenerational Stress on Acyrthosiphon pisum Development. [PDF]

open access: yes, 2019
Despite the fact that sap-feeding hemipterans are major agricultural pests, little is known about the pea aphid's (Acyrthosiphon pisum) nymphal development, compared to other insect models. Given our limited understanding of A.
Hansen, Allison K, Pers, Daniel
core   +1 more source

Laju degradasi limbah masker medis surgical dengan menggunakan tingkatan instar larva Tenebrio molitor yang berbeda

open access: yesJurnal Biologi Udayana, 2023
Tujuan penelitian ini adalah untuk mengetahui kemampuan larva T. molitor pada tingkatan instar 4, 6 dan 8 dalam mendegradasi limbah masker medis surgical yang dicampur ampas tahu dan dedak padi serta melihat pertambahan bobot badan larva.
Tri Alma Yunisa S   +2 more
doaj   +1 more source

Studies on Resistance to Vegetative (Vip3A) and Crystal (Cry1A) Insecticidal Toxins of Bacillus thuringiensis in Heliothis virescens (Fabricius) [PDF]

open access: yes, 2009
Bacillus thuringiensis (Bt) toxins expressed in commercial transgenic crop varieties are all δ-endotoxins (Cry toxins) but the identification of novel vegetative insecticidal proteins (Vip toxins) has extended the range of insecticidal proteins derived
Pickett, Brian R, Pickett, Brian R
core   +1 more source

Gut microbiota is a potential factor in shaping phenotypic variation in larvae and adults of female bumble bees

open access: yesFrontiers in Microbiology, 2023
Host symbionts are often considered an essential part of the host phenotype, influencing host growth and development. Bumble bee is an ideal model for investigating the relationship between microbiota and phenotypes.
Baodi Guo   +6 more
doaj   +1 more source

Number of larval instars and sex-specific plasticity in the development of the small heath butterfly, Coenonympha pamphilus (Lepidoptera: Nymphalidae)

open access: yesEuropean Journal of Entomology, 2006
The number of larval moults, larval head capsule width and pupal weight were investigated in both direct-developing and diapausing individuals of a South-West European population of Coenonympha pamphilus.
Enrique GARCÍA-BARROS
doaj   +1 more source

Notes on Shifting Distribution Patterns and Survival of Immature \u3ci\u3eDanaus Plexippus\u3c/i\u3e (Lepidoptera: Danaidae) on the Food Plant \u3ci\u3eAsclepias Syriaca\u3c/i\u3e [PDF]

open access: yes, 2017
Abundance and distribution of immature stages of the monarch butterfly, Danaus plexippus, on the food plant Asclepias syriaca were examined at a site in southeastern Wisconsin over one growing season.
Borkin, Susan Sullivan
core   +2 more sources

Life History and Description of the Immature Stages of \u3ci\u3eMacrotheca Unipuncta\u3c/i\u3e (Lepidoptera: Pyralidae) [PDF]

open access: yes, 2017
During the summer of 1975, an unknown larval pyralid was found living under the loose outer back of domestic grape (Vitis vinifera L.) in southwestern Michigan. Subsequent rearing enabled it to be identified as Macrotheca unipuncta Dyar.
Liebherr, James
core   +2 more sources

Life Cycle of \u3ci\u3eIsoperla Lata\u3c/i\u3e (Plecoptera: Perlodidae) in a Central Wisconsin Trout Stream [PDF]

open access: yes, 2018
Monthly qualitative samples of Isoperla lata Frison were made from January 1992 to June 1993 in Ripley Creek, a small second order trout stream in Lincoln County Wisconsin. Additional collecting and an in-stream hatching experiment were conducted in 1994.
Sandberg, John B, Szczytko, Stanley W
core   +2 more sources

Extraordinary morphological changes in valve morphology during the ontogeny of several species of the Australian ostracod genus Bennelongia (Crustacea, Ostracoda)

open access: yesEuropean Journal of Taxonomy, 2013
Ostracods belonging to the genus Bennelongia differ much in valve morphology between adults and juveniles. Adult valves are asymmetrical, characterised by a beak-like feature in the antero-ventral region of the left valve, and, with some notable ...
Patrick De Deckker, Koen Martens
doaj   +1 more source

Improved Monitoring of Grapholita molesta (Lepidoptera: Tortricidae) in Stone Fruit Orchards with a Pheromone-Kairomone Combination Lure

open access: yesInsects, 2020
Monitoring oriental fruit moth Grapholita molesta Busck (Lepidoptera: Tortricidae), populations based on counts in sex pheromone-baited traps within sex pheromone-treated orchards for mating disruption (MD) is challenging since male orientation to traps ...
Michele Preti   +2 more
doaj   +1 more source

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