Results 21 to 30 of about 162,464 (343)

Descriptions of Nymphal Instars of \u3ci\u3eThyanta Calceata\u3c/i\u3e (Hemiptera: Pentatomidae) [PDF]

open access: yes, 2017
The external anatomy of each of the five nymphal instars of Thyanta calceata is de ...
McPherson, J. E, Paskewitz, S. M
core   +2 more sources

The Potency of Metarhizium anisopliae in Disturbing Oryctes rhinoceros (Coleoptera: Scarabaeidae) Growth and Development

open access: yesJurnal Perlindungan Tanaman Indonesia, 2022
Metarhizium anisopliae is one of the most frequently used insect pathogen fungi in controlling Oryctes rhinoceros. This research aims to learn the potency of fungus M. anisopliae against O. rhinoceros larvae growth and development at the laboratory.
Ummi Maysaroh, Edhi Martono, Tri Harjaka
doaj   +1 more source

Comparative Study of Life Histories, Laboratory Rearing, and Immature Stages of \u3ci\u3eEuschistus Servus\u3c/i\u3e and \u3ci\u3eEuschistus Variolarius\u3c/i\u3e (Hemiptera: Pentatomidae) [PDF]

open access: yes, 2017
A comparative study was conducted of the field life histories of Euschistus servus and E. varialarius in southern Illinois, their life cycles under controlled laboratory conditions, and their immature stages. The results indicate that E.
McPherson, J. E, Munyaneza, Joseph
core   +2 more sources

A Comparison of Three Approaches for Larval Instar Separation in Insects—A Case Study of Dendrolimus pini

open access: yesInsects, 2019
The number of larval instars is important from both theoretical and practical perspectives. Three previous studies based on head capsule widths (HCWs) have suggested that Dendrolimus pini larvae pass through seven instars, but the estimated HCW means ...
Lidia Sukovata
doaj   +1 more source

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

Transcriptional control of behaviour: engrailed knockout changes cockroach escape trajectories [PDF]

open access: yes, 2009
The cerci of the cockroach are covered with identified sensory hairs that detect air movements. The sensory neurons that innervate these hairs synapse with giant interneurons in the terminal ganglion that in turn synapse with interneurons and leg motor ...
Bacon, Jonathan P   +4 more
core   +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

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

Descriptions of Nymphal Instars of \u3ci\u3eAbedus Breviceps\u3c/i\u3e (Hemiptera: Belostomatidae) [PDF]

open access: yes, 2017
The 1st-5th instars of Abedus breviceps Still, collected from a Texas population, are described and illustrated. They can be separated most easily by overall body length and width, and by the length of the mesonotal wing ...
Keffer, S. L, McPherson, J. E
core   +2 more sources

Susceptibility of the Endangered Karner Blue Butterfly (Lepidoptera: Lycaenidae) to \u3ci\u3eBacillus Thuringiensis\u3c/i\u3e Var. \u3ci\u3eKurstaki\u3c/i\u3e Used for Gypsy Moth Suppression in Michigan [PDF]

open access: yes, 2018
We investigated the phenological and physiological susceptibility of the endangered Karner blue butterfly (Lycaeides melissa samuelis) to Bacillus thuringiensis var.
Baue, Leah S   +5 more
core   +2 more sources

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