Papers

MORPHOMETRICS MEASUREMENT OF MANGO DEFOLIATOR Cricula trifenestrata (F. LEPIDOTERA: SATURNIIDAE) (Pages : 45 - 48)

M. M. A. RONO, M. A. AHAD, M. S. HASAN, M. F. UDDIN AND A. K. M. N. ISLAM

A study was conducted in the laboratory of Department of Entomology, Hajee Mohammad Danesh Science and Technology University (HSTU), Dinajpur during April to July, 2007 at 25 ± 2ºC and 75 ± 5 % RH ( at room temperature and humidity) to study the morphological measurement of mango defoliator Cricula trifenestrata. The results of morphometric measurement reveal that the average length and breadth of eggs were 2.27 and 1.86 mm, respectively. The mean length and breadth of 1st , 2nd , 3rd , 4th and 5th instar larvae were 4.08, 13.90, 30.09, 61.37, 81.49 and 2.17, 5.09, 7.23, 11.22, 15.51 mm, respectively. The average length and breadth of male and female cocoon were 41.98, 50.89 and 12.31, 16.22 mm whereas the length and breadth of male and female pupa were 31.64, 35.57 and 10.61, 12.58 mm, respectively. The average length and breadth of male and female moth were 22.35, 32.48 and 32.02, 74.14 mm, respectively. Download


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