Results 31 to 40 of about 40,824 (309)

MORPHOLOGICAL STUDIES ON THE LARVAL STAGES OF THE SHEEP BLOWFLY LUCILIA CUPRINA WIEDEMANN (DIPTERA: CALLIPHORIDAE.) [PDF]

open access: yesVeterinary Medical Journal - Giza, 2001
Light and Scanning Electron Microscope (SEM) were used in the description of Lucilia cuprina larvae. The mouth hooks are poorly developed in the 1st instar larva and well developed in the 2nd and 3rd larval stages, the antennal lobes and maxillary lobes ...
MADEEHA A MUSTAFA
doaj   +1 more source

COMPARATIVE TOXICITY OF THREE NOVEL BIOTIC COMPOUNDS, SPINOSAD PYRIDALYL AND RADICAL IN RELATIVE TO A CONVENTIONAL INSECTICIDE, LANNATE AGAINST THE FIELD AND LABORATORY STRAIN OF THE SECOND AND FOURTH INSTARS LARVAE OF COTTON LEAFWORM, Spodoptera littoralis (BOISD.) [PDF]

open access: yesJournal of Plant Protection and Pathology, 2009
The toxic activity of three novel compounds (Pyridalyl, Radical, Spinosad) and conventional insecticide (Lannate) against the second and fourth instars of the lab and field strains of Spodoptera littoralis were evaluated under laboratory conditions.
Mahasen Ahmed   +3 more
doaj   +1 more source

Efficacy of Bacillus thuringiensis (Berliner) isolates on fig moth, Ephestia cautella (Walker) Larvae

open access: yesمجلة بغداد للعلوم, 2014
The following dilution 5×10-1, 10-1, 10?2 , 10-3 gm/L for the indigenous isolate of Bacillus thuringiensis bacteria and the commercially isalate were used for experiments against the different stages of fig moth of E.cautella which exposed by filter ...
Baghdad Science Journal
doaj   +1 more source

The Effect of the Different Concentration and Proportion of Mixtures of Actara Insecticide and Ginger Oil in the Mortality Rate of Larvae of Greater Wax Moth, Galleria Mellonella L.

open access: yesScience Journal of University of Zakho, 2017
During this study the toxic effect of Actara and ginger oil of Zingiber officinale, individually or in combination, on the 3rd and 5th instar larvae of greater wax moth, Galleria mellonella L. was investigated. The percentages of mortality of 3rd and 5th 
Sofyan H. S. Al-sinjari
doaj   +1 more source

Description of the third larval instar of Aphodius (Agoliinus) isajevi Kabakov, 1994 (Coleoptera: Scarabaeidae: Aphodiinae) [PDF]

open access: yes, 2010
Description of the third larval instar of Aphodius (Agoliinus) isajevi Kabakov, 1994 and notes about biology and distribution are ...
V.V. Martynov
core   +1 more source

Influence of temperature on the larval development of the edible crab Cancer pagurus

open access: yes, 2009
The influence of temperature on larval survival and development was studied in the edible crab, Cancer pagurus, from a population off the Island of Helgoland, North Sea.
Keller, Martina   +9 more
core   +1 more source

Comparative analysis of larval growth in Lepidoptera reveals instar‐level constraints [PDF]

open access: yes, 2020
1. Juvenile growth trajectories evolve via the interplay of selective pressures on age and size at maturity, and developmental constraints. In insects, the moulting cycle is a major constraint on larval growth trajectories. 2.
Karl Gotthard   +20 more
core   +1 more source

INTRAGUILD PREDATION AMONG DIFFERENT LARVAL INSTARS OF Metasyrphus corollae (F.) (DIPTERA: SYRPHIDAE) AND Exochomus nigromaculatus (GOEZE) (COLEOPTERA: COCCINELLIDAE) [PDF]

open access: yesJournal of Plant Protection and Pathology, 2010
The interspecific interactions between different larval instars of two aphidophagous predator species,M. corollaeand E. nigromaculatus were examined under laboratory conditions.
Wessam Bessadah   +3 more
doaj   +1 more source

Effect of spermidine on larval and silk gland weight of 5th instar Bombyx mori larvae

open access: yes, 2022
The above data shows the weight of larvae and silk gland of day 5 of 5th instar larval stage of Bombyx. mori after heat shock with different temperatures. 
Anitha Mamillapalli (7901696)   +4 more
core   +1 more source

Kemampuan Pemangsaan Menochilus sexmaculatus F. (Coleoptera: Coccinellidae) terhadap Rhopalosiphum maidis Fitch (Homoptera: Aphididae)

open access: yesJurnal Entomologi Indonesia, 2015
The objective of this research was to study the functional response of M. sexmaculatus. The hypothesis of this study was that age of predator and the numbers of prey will effect predation rate.
Indriya Radiyanto   +2 more
doaj   +1 more source

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