The influence of temperature and food supply on the development of Adalia bipunctata (Coleoptera: Coccinellidae)
The development of Adalia bipunctata larvae feeding on the grain aphid Sitobion avenae was investigated at 15, 20 and 25°C and two different levels of food supply. Increased temperatures accelerated development and reduced mortality rates. A reduced food supply slowed down development and increased...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Institute of Entomology, Biology Centre, Czech Academy of Science
2004-09-01
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| Series: | European Journal of Entomology |
| Subjects: | |
| Online Access: | https://www.eje.cz/artkey/eje-200403-0006_The_influence_of_temperature_and_food_supply_on_the_development_of_Adalia_bipunctata_Coleoptera_Coccinellidae.php |
| Summary: | The development of Adalia bipunctata larvae feeding on the grain aphid Sitobion avenae was investigated at 15, 20 and 25°C and two different levels of food supply. Increased temperatures accelerated development and reduced mortality rates. A reduced food supply slowed down development and increased mortality at all life stages. The total food intake of larvae ranged from 24-65 mg, which is equivalent to up to 190 aphids. Larvae compensated for low food supply by reducing development rates, high prey exploitation efficiencies, reaching up to 100%, and by high prey-biomass conversion efficiencies, reaching over 40%. The findings are discussed under the aspect of suitability of A. bipunctata as a biological control agent for greenhouse-specific aphid pest species. |
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| ISSN: | 1210-5759 1802-8829 |