Intra-specific morphological variation and differentiation among eight populations of the common freshwater fish Rasbora daniconius (Cyprinidae) were investigated. Significant heterogeneity and differentiation was found ...

Ornamental fish industry in Sri Lanka plays an important role as a national income generating source. Sailfin Molly is an indigenously bred exotic ornamental fish species which is produced in Sri Lanka. It is documented ...

Sri Lanka is one of the most biologically diverse countries in the world. Two hundred and forty four (244) species of butterflies have been recorded in Sri Lanka of which twenty one (21) are endemic. Nectar plants are ...

Rice is the staple food in Sri Lanka. It is estimated that more than 6% of the harvested paddy is lost due to the damage caused by stored grain pests. Among these, the rice weevil, Sitophilus oryzae (L) is the most ...

In the first part of this research project, Meloidogyne infestations on three leafy-vegetable species, i.e., Centella asiatica, “Gotukola”; Ipomea aquatica, “Kangkung”; Alternanlhera sessilis, “Mugunuwenna” in Hambantota ...

Insects are important as main pollinators of many agricultural crops such as vegetables and fruits. More than 3000 species of insects are important as pollinators and among them insects belong to order Hymenoptera and ...

Molluscans are one of the most diverse and dominant animal groups among macroinvertebtares. However due to different reasons many species are under high rate of extinction. For conservation purposes, it is important ...

The chemical control of pesticide is the most popular pest controlling method in Sri Lanka, but it causes many environmental problems as well as health hazards such as kidney failure, cancers, nervous disorders, pest ...

Nitrogen pollution is becoming a severe problem worldwide with unknown consequences on aquatic life, especially to the sensitive organisms such as amphibians. Agricultural applications of nitrogen based mineral fertilizers ...