Observations on the biology of Henosepilachna ocellata (Redtenbacher) (Coleoptera: Coccinellidae), a pest of Potato Crop in Uttarakhand
Biological observations on Henosepilachna ocellata (Redtenbacher) (Coleoptera: Coccinellidae) had been made at Mandal (Uttarakhand) and its surroundings. Here, it is an oligophagous species, extensively attacking the crops of Solanum tuberosum Linn. (Potato). Mating, oviposition and adult behaviour of this pest had been studied. It bred actively from March to August and it took about 34 days to develop from egg to adult. The females started egg laying after 8 to 12 days of becoming adult.