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- Title
MATING BEHAVIOUR OF THE ODONTOPUS NIGRICORNIS STAL.(HETEROPTERA - PYRRHOCOROIDEA - PYRRHOCORIDAE).
- Authors
Rani, Archana; Tomar, S. K.; Dhiman, S. C.
- Abstract
Odontopus nigricornis is a pest of Pterygota alata Roxb. (Sterculaceae) and other host plants reported by Dhiman (1983). It is a phytosuccivorous bug which drain out sap from the seeds, leaves and bark of the tree. Mating takes place during any time of the day and night. A pre-copulation period of 167-210 days is required with an average of 188 days. It depends upon climatic factors and food availability. Pheromone secreted by female is perceived by the male antennae which then search and find the female. The male touches the abdomen and antennae of female by its own. It then ride on the female from any side preferably left side and holds her by its prothoracic legs and inserts its erected aedeagus into the female genital chamber. Claspers of male holds female genitali wide opened. Female remain motionless during this act. When male gets success in its mission, then turns back to resume tail-to-tail position forming 45-180° angle. In this posture, they may move or rest at the same spot.During movement, female always plays leading role. Copulation lasts from 25-1056 hrs. with an average of 240 hrs. Re-engagement of copulation takes 19-94 hrs. However, if a copulating pair disturbed, then separated pair may come in copula stage within few hrs. (15 min.-2 hrs.). After copulation jerking movement occurs in the abdomen of male and female which soon separates off.
- Subjects
HEMIPTERA; FEMALE reproductive organs; HOST plants; BARK; INSECTS; AEDEAGUS
- Publication
Journal of Experimental Zoology India, 2020, Vol 23, Issue 2, p1877
- ISSN
0972-0030
- Publication type
Article