Results 261 to 270 of about 203,044 (309)
Determination of the larval instar by head width in the stone leak miner
Proceedings of the Kanto-Tosan Plant Protection Society, 1969 openaire +1 more source
Ecology and Behavior of First Instar Larval Lepidoptera
Annual Review of Entomology, 2002 ▪ Abstract Neonate Lepidoptera are confronted with the daunting task of establishing themselves on a food plant. The factors relevant to this process need to be considered at spatial and temporal scales relevant to the larva and not the investigator.
Zalucki, Myron +2 more
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Intraspecific Variability in Number of Larval Instars in Insects
Journal of Economic Entomology, 2007The number of larval instars varies widely across insect species. Although instar number is frequently considered to be invariable within species, intraspecific variability in the number of instars is not an exceptional phenomenon. However, the knowledge has remained fragmentary, and there are no recent attempts to synthesize the results of relevant ...
Toomas, Esperk +2 more
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Scanning electron microscopy of the larval instars of Cochliomyia hominivorax
Medical and Veterinary Entomology, 1993Abstract. Descriptions are given of the morphological features of laboratory‐reared first to third larval stages of Cochliomyia hominivorax. The pseudo‐cephalon, spines and papillae of the segments, and the anterior and posterior spiracles of all three larval stages were ...
A C, Leite, J D, Guevara
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Cannibalism and early instar survival in a larval damselfly
Oecologia, 1994Cannibalism by larval damselflies late in larval development on larvae a few instars smaller has been widely documented. I examine here the survival of eggs oviposited near the end of the flight season of adult Enallagma boreale in the presence and absence of potential cannibals, individuals that hatched from eggs earlier in the season, over an ...
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INSTAR DIFFERENTIATION IN LARVAL CHIRONOMIDAE (DIPTERA)
The Canadian Entomologist, 1974AbstractExamination of the most commonly used criteria for separating instars in larval chironomids, based on a study of 29 species from three subfamilies in Marion Lake, British Columbia, revealed that only head capsule width or length is suitable. Most chironomids appear to have four larval instars.
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Size compensation in moth larvae: attention to larval instars
Physiological Entomology, 2010Environmental perturbations such as starvation and poor diet often prevent animals from attaining their optimal sizes. When the perturbation has a transient character, compensatory responses are expected in terms of faster growth or a prolonged developmental period.
TOOMAS ESPERK, TOOMAS TAMMARU
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Characterization of larval instars of artemisia weevil, Adosomus sp.
Forestry Studies in China, 2009The artemisia weevil, Adosomus sp., has become an important wormwood (Artemisia ordosoca and A. sphaerocephala) pest in recent years in Ningxia Province, China. The number of larval instars should be determined before further studies on its life history, biology and integrate management of pest (IMP).
Jian-wei Wang +4 more
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Morphological determination of the larval instars of Eupeodes americanus (Diptera: Syrphidae)
Phytoprotection, 2022En Amérique du Nord, le potentiel du syrphe d’Amérique Eupeodes americanus (Wiedemann, 1830) (Diptera: Syrphidae) comme agent de lutte biologique a été démontré, notamment contre le puceron de la digitale Aulacorthum solani Kaltenbach, 1843 (Hemiptera: Aphididae).
Fauteux, Arlette +3 more
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