Ecology Journal

Ecology Journal

Ecology Journal

Ecology Journal

Insect Pests of Country Bean and their Relationships with Temperature



 

ABSTRACT: The study was conducted to know the insect pests attacking country bean Lablab purpureus plants in Sylhet Agricultural University Campus, Sylhet, Bangladesh, and to find out the relationships of the abundances of the insect pests with number of bean pods and prevailed temperature during the study period. Aphid Aphis craccivora (Hemiptera: Aphididae), epilachna beetle Epilachna duodecastigma (Coleoptera: Coccinellidae), shoot borer Acrobasis caryae (Lepidoptera: Pyralidae) and pod borer Maruca testulalis (Lepidoptera: Crambidae) were found as the insect pests of country bean plants. Aphid and pod borer showed significant positive relationship with number of pods of country bean and temperature. Abundances of ephilachna beetle and shoot borer were negatively correlated with the number of pods of the country bean. 

 

Keywords: Lablab purpureus, Sylhet, temperature, yield

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