International Journal of Entomology Research

ISSN: 2455-4758

Vol. 3, Issue 4 (2018)

Effects of temperature and relative humidity on the development of Trogoderma granarium (cole- optera: dermestidae) under laboratory conditions

Author(s): Muhammad Rizwan, Mansoor-ul-Hassan, Asad Aslam, Dilawar Majeed, Muhammad jafir, Muhammad Kamil Malik, Muhammad Usman
Abstract: Different insect pests cause damage to stored cereals and food products. Trogoderma granarium is most destructive pest of stored grains and food products. The variations in temperature and relative humidity affect the growth and development of the storage insect pests. Present investigation was designed to investigate the effects of different combinations of temperatures (25, 30 and 35℃) and relative humidity (60, 70 and 80%) on all the developmental stages (eggs, larvae, pupae and adults) of the T. granarium under controlled laboratory conditions. This experiment was conducted by using Completely Randomized Design (CRD). For each treatment combination, three replications were done. To obtain the eggs, counted numbers of adults of mixed sex were released in plastic jars. Then data regarding F1 adult emergence, percentage of larval development, pupation, fertility and fecundity was calculated. Finally, all the obtained data was subjected to suitable statistical software for analysis of variance at 5% level of significance.
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