BIOLOGICAL ASPECTS OF RICE HISPA, DICLADISPA ARMIGERA

BIOLOGICAL ASPECTS OF RICE HISPA, DICLADISPA ARMIGERA (OLIVIER) Urvi Sharma-1* and Ajai Srivastava-2 1-Department of Entomology, CSKHPKV, Palampur (HP) 2-CSKHPKV, RWRC, Malan (HP) [Corresponding author E-mail-1*: urvi.urvi.sharma.sharma@gmail.com] Received: 10-01-2017 Revised: 11-02-2017 Accepted: 05-03-2017 Abstract: Various biological aspects of rice hispa (Dicladispa armigera) were studied under laboratory conditions using paddy (cv Kasturi basmati) as host at CSK Himachal Pradesh Krishi Vishvidyalaya, Rice and Wheat Research Centre (RWRC), Malan. The life history of rice hispa consisted of four well-defined stages viz. egg, grub, pupa Read More …

LIFE-TABLES OF A PREDATORY COCCINELLID CHEILOMENES SEXMACULATA

LIFE-TABLES OF A PREDATORY COCCINELLID CHEILOMENES (MENOCHILUS) SEXMACULATA (FABR.) (COLEOPTERA: COCCINELLIDAE) *Pushpendra K. Sharma and Prakash C. Joshi *Department of Zoology, D.A.V. (P.G.) College, Dehradun-248001 (U.K.), India Department of Zoology and Environment Science, Gurukul Kangri University, Hardwar 249404,U.K., India Received: 04.06.12 Accepted: 16.02.13 Abstract: A predatory Coccinellid beetle Cheilomenes sexmaculata (Fabr.) was reared in the laboratory at temperature 25 ± 20C, relative humidity 60 ±5% and photoperiod 12L: 12D on aphid species Aphis gossypii (Glover) and thereafter biological table constructed. Read More …

STUDIES ON THE PREDATION POTENTIAL OF COCCINELLA SEPTEMPUNCTATA ON THE PREY

STUDIES ON THE PREDATION POTENTIAL OF COCCINELLA SEPTEMPUNCTATA (LINN.) ON THE PREY: MUSTARD APHIDS (LIPAPHIS ERYSIMI KALT.) AND UTILIZATION OF FOOD Indu1, Usha Saxena, Surendra Kumar2 and V.C. Chatterjee P.G. Department of Zoology., M.S. College, Sharanpur. 1Govt. Girls Degree College., Behat, Sharanpur 2Govt. Raza P.G. College, Rampur. Abstract: Predation potential of Cocinella septempunctata Linn. has been observed in the laboratory which shows seasonal variation and is synchronized with the availability of the prey, aphids (Lipaphis erysimi Kalt.) and reproductive cycle Read More …

BIOLOGY OF A PREDATORY COCCINELLID COCCINELLA SEPTUMPUNCTATA LINN

BIOLOGY OF A PREDATORY COCCINELLID COCCINELLA SEPTUMPUNCTATA LINN. (COLEOPTERA: COCCINELLIDAE) Pushpendra K. Sharma* and P. C. Joshi *Department of Zoology, D.A.V. (P.G.) College, Dehradun-248001 (U.K.), India Department of Zoology and Env. Sci., Gurukul Kangri University, Hardwar (U.K.), India Email pushp_phd@yahoo.com Abstract: A predatory coccinellid beetle Coccinella septumpunctata Linnaeus was reared in the laboratory at temperatures 25 ± 20 C, relative humidity 60 ±5% and photoperiod 12L: 12D on aphid species Lipaphis erysimi and thereafter biological tables were constructed. During the Read More …