Study of the interactions among cruciferaceae crops, cabbage feeding lepidopterans and their egg parasitoids

by S.A.A. Singhamuni, K.S. Hemachandra
Published 2015-09-01

Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing

by M.C.D. Perera, K.S. Hemachandra
Published 2015-11-01

Mass Rearing of Mealybug Predator, <em>Cryptolaemus montrouzieri</em> Mulsant (Coleoptera: Coccinellidae) on two Mealybug Species, <em>Planococcus minor</em> and <em>Pseudococcus v...

by D. U. M. Gunawardana, K. S. Hemachandra
Published 2020-01-01

Potential for Mass Rearing of the Egg Parasitoids, <em>Trichogramma chilonis</em> and <em>Tricogramma achaeae</em> (Hymenoptera: Trichogrammatidae) on <em>Corcyra cephalonica</em>...

by S. A. A. Singhamuni, K. S. Hemachandra, U. G. A. I. Sirisena
Published 2016-04-01

Trichogrammatoidea bactrae (Hymenoptera: Trichogrammatidae): a potential biocontrol agent of rice leaf folder

by M.C.D. Perera, K.S. Hemachandra, U.G.A.I. Sirisena
Published 2015-11-01

Variations of Incidence, Types of Virus Diseases and Insect Vector Populations of Tomato (Solanum lycopersicum L.), Grown in Different Agroecological Regions of Sri Lanka under Two...

by K. Prasannath, K.N.P. Dharmadasa, D.M. De Costa, K.S. Hemachandra
Published 2015-10-01

Pink wax scale (<em>Ceroplastes rubens</em>) a growing threat to agriculture in Sri Lanka

by K. V. A. I. K. Vithana, U. G. A. I. Sirisena, K. S. Hemachandra
Published 2019-01-01

Mass rearing of Cheilomenessexmaculata (Coleoptera: Coccinellidae) on different diets under laboratory conditions

by T. D. C. Priyadarshani, K. S. Hemachandra, U. G. A. I. Sirisena, H. N. P. Wijayagunasekara
Published 2017-05-01

Developmental biology and feeding efficiency of <em>Menochilus sexmaculatus</em> (Coleoptera: Coccinellidae) (Fabricius) reared on <em>Aphis craccivora</em> (Hemiptera:Aphididae) (...

by T. D. C. Priyadarshani, K. S. Hemachandra, U. G. A. I. Sirisena, H. N. P. Wijayagunasekara
Published 2016-07-01

Mealybugs (Hemiptera: Pseudococcidae) species on economically important fruit crops in Sri Lanka

by U.G.A.I. Sirisena, G.W. Watson, K.S. Hemachandra, H.N.P. Wijayagunasekara
Published 2015-09-01

Evaluation of the potential of Trichogramma chilonis ishii (Hymenoptera: Trichogrammatidae) as a bio-control agent for Trichoplusia ni, Cabbage Semi-looper

by S.A.A. Singhamuni, M.I.U.F. Jayasuriya, K.S. Hemachandra, U.G.A.I. Sirisena
Published 2015-11-01

Scanning electron microscopy of six selected mealybug (Hemiptera: Pseudococcidae) species of Sri Lanka

by U.G.A.I. Sirisena, G.W. Watson, K.S. Hemachandra, O. Sage, H.N.P. Wijayagunasekara
Published 2015-11-01

Description of a new species of Dacus from Sri Lanka, and new country distribution records (Diptera, Tephritidae, Dacinae)

by Luc Leblanc, Camiel Doorenweerd, Michael San Jose, U.G.A.I. Sirisena, K.S. Hemachandra, Daniel Rubinoff
Published 2018-11-01

Effect of the epicuticular wax level of leaf lamina on the behaviour of leaf hopper <em>Deltocephalus menoni</em> (Hemiptera: Cicadellidae); A vector of sugarcane white leaf diseas...

by K. M. G. Chanchala, V. K. A. S. M. Wanasinghe, K. S. Hemachandra, L. Nugaliyadde, W. R. G. Witharama
Published 2020-01-01