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Aedes albopictus(Diptera: Culicidae): Physiological Aspects of Development and Reproduction


Briegel, Hans; Timmermann, Susanne E (2001). Aedes albopictus(Diptera: Culicidae): Physiological Aspects of Development and Reproduction. Journal of Medical Entomology, 38(4):566-571.

Abstract

Basic ecophysiological data are presented on the development and reproduction of Aedes albopictus (Skuse) that were reared and maintained at four temperatures between 12 and 32°C. Median larval developmental time from hatching to pupation was correlated inversely with temperature, lasting 7 d at 32°C and up to 28 d at 12°C. Duration of the pupal period also varied from 2-3 d at 32°C to 7-12 d at 12°C. This extension of larval development elongated the phagoperiod and gave rise to larger imagoes. Based on wing length measurements, body sizes varied from 10 to 57 mm3 for females and from 10 to 30 mm3 for males. The caloric protein content at emergence showed a linear and significant regression with body size, independent of sex, treatment, or temperature. Teneral lipid content also followed a linear relationship with body size at warmer temperatures, whereas at low temperatures it increased exponentially with body size. Glycogen was always below 10% of the protein or lipid levels. Reserves at emergence determined median adult survival times, which ranged from 16 d at 32°C to 100 d at 17°C. Access to sucrose solution allowed females to increase their teneral glycogen up to fourfold within 1 wk, and their lipids up to 10-fold within 2 wk. Despite a broad variation, the number of mature oocytes (15-110 eggs per female) was correlated positively with body size, but inversely with the rearing and maintenance temperature. Utilization of the blood meal protein for oogenesis ranged between 35 and 50%, again inversely correlated with temperature; absolute compositions per oocyte were 6.3-6.5 mcal of protein but ranged from 5 to 7 mcal of lipid

Abstract

Basic ecophysiological data are presented on the development and reproduction of Aedes albopictus (Skuse) that were reared and maintained at four temperatures between 12 and 32°C. Median larval developmental time from hatching to pupation was correlated inversely with temperature, lasting 7 d at 32°C and up to 28 d at 12°C. Duration of the pupal period also varied from 2-3 d at 32°C to 7-12 d at 12°C. This extension of larval development elongated the phagoperiod and gave rise to larger imagoes. Based on wing length measurements, body sizes varied from 10 to 57 mm3 for females and from 10 to 30 mm3 for males. The caloric protein content at emergence showed a linear and significant regression with body size, independent of sex, treatment, or temperature. Teneral lipid content also followed a linear relationship with body size at warmer temperatures, whereas at low temperatures it increased exponentially with body size. Glycogen was always below 10% of the protein or lipid levels. Reserves at emergence determined median adult survival times, which ranged from 16 d at 32°C to 100 d at 17°C. Access to sucrose solution allowed females to increase their teneral glycogen up to fourfold within 1 wk, and their lipids up to 10-fold within 2 wk. Despite a broad variation, the number of mature oocytes (15-110 eggs per female) was correlated positively with body size, but inversely with the rearing and maintenance temperature. Utilization of the blood meal protein for oogenesis ranged between 35 and 50%, again inversely correlated with temperature; absolute compositions per oocyte were 6.3-6.5 mcal of protein but ranged from 5 to 7 mcal of lipid

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Item Type:Journal Article, refereed, original work
Communities & Collections:National licences > 142-005
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
600 Technology
Scopus Subject Areas:Life Sciences > Parasitology
Health Sciences > General Veterinary
Life Sciences > Insect Science
Health Sciences > Infectious Diseases
Language:English
Date:1 July 2001
Deposited On:18 Oct 2018 14:04
Last Modified:31 Jul 2020 02:11
Publisher:Oxford University Press
ISSN:0022-2585
OA Status:Green
Publisher DOI:https://doi.org/10.1603/0022-2585-38.4.566
Related URLs:https://www.swissbib.ch/Search/Results?lookfor=nationallicenceoxford10160300222585384566 (Library Catalogue)

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