Biology of Palembus (Martianers) Dermestoides chevrolat (Coleoptera: Tenebrionidae)
1989
Dacanay, A.A. | Cervancia, C.R. (Philippines Univ., Los Banos, College, Laguna (Philippines). Inst. of Biological Sciences)
Palembus (Martianus) Chevolat was reared in corn flour with Brewer's yeast and ground corn. Its life history, habits, external morphology, host range, and natural enemies were observed. The life cycle of the beetle on corn flour with Brewer's yeast ranges from 35 to 41 days with an average of 36 days. The mean duration of the different stages are: egg, 4 days; larva, 27 days; and pupa, 5 days. Adult longevity is 60 days. On ground corn, the life cycle ranges from 36 to 38 days with an average of 37 days. The mean duration of the different stages are: egg, 4 days; larva, 27 days; and pupa, 5 days. Adult longevity is 75 days. Based on duration of development period and growth index, corn flour with Brewer's yeast, peanut, and rice were most suitable hosts of this insect. However, it could also thrive on corn, wheat, sorghum, and mungbean.
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