Journal of Biological Control

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Sycanus versicolor Dohrn is an alate, entomophagous, multlvoltine, harpactorinae reduviid found in the Courtallam tropical evergreen forests of Southern India. Investigations on the biology revealed that it laid the first batch of eggs 13 days after emergence. The eggs hatched in 9-10 days. Total stadial period from I instar to adult ranged from 52-69 days. The adult males and females lived for 23.5 and 44 days, respectively. The sex ratio was male biased (1.0:0.6). S. versicolor preferred Heliothts armigera Hubner than Earias insulana Boisdual which was evidenced from the highest predatory value, the largest amount of food taken and the shortest stadial period observed when H. armigera was given as prey.


Keywords

Sycanus versicolor, Biology, Pest Preference, Heliothis armigera, Earias insulana.
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