Single-pair cross mating schedules in Epilachna vigintioctopunctata from three regions of Bangladesh namely Khulna (KHU), Rajshahi (RAJ) and Sylhet (SYL) revealed significant differences for fecundity (P0.01), number of pupae formed, number of adults emerged and female ratio (P0.05) in the...

An elaborate account of the distribution, life-history traits, genetic variability of spot patterns, compatibility relationships, cytogenetics and plant extract-induced changes in the population growth of a common ladybird beetle, Epilachna vigintioctopunctata Fab. have been studied and...

Epilachna vigintioctopunctata is an important pest that causes considerable economic losses to many crops including egg-plants. The crude aqueous extracts of leaves from three indigenous plants namely Ricinus communis, Calotropis procera and Datura metel were used against this beetle aiming at...

Due to inappropriate management and absence of land use planning, land cover change of developing country like Bangladesh is a common phenomenon. This land cover change phenomenon will have its tremendous effect if found at a greater extent on natural habitat area for numerous animal and tree...

As Bangladesh's economy expands, the country has experienced severe power crises over the decades. With the Government's effective implementation of policies, the country has shown remarkable progress in energy sector recently. Even though various initiatives have been undertaken to improve...

Background: Economic evaluation of non-market goods is challenging and can't be calculated using traditional method. In this study, Travel Cost Method (TCM) was used to evaluate the economic value of Foy's Lake of Chittagong.Methods: A total of 200 respondents from the visitor of this lake were...

The industrial symbiosis (IS) has been becoming increasingly popular from last decade of last century because of its prospect towards safeguarding environment and reducing usage of virgin materials through recycling. After emergence of symbiotic network, industrial clusters followed different...

Rationale: In many countries, the potential health impact of the increasing trend in the absolute and relative proportion of elderly people in the population is one central issue of demographic transition. This increased number of aged individuals can have several influences on a society. These...