In the present investigation, trends in population dynamics of major insect pests under rice-potato-okra cropping system have been studied through probability models. Among the major insect pests climbing cutworms were observed on rice, whiteflies and jassids on potato and whiteflies, aphids and jassids on okra. The data have been taken from an experiment which was conducted by the staff of dep...

Coccinellids are important natural enemies of aphids, scale insects, mealybugs, whiteflies, jassids and mites. They are being augmented or conserved for population reduction of different agricultural crop pests in the concept of Integrated Pest Management throughout the world. The genera and species in the tribe Scymnini known from Pakistan are revised and redescribed. Two genera including two ...

The present study was carried out at the research field of Department Entomology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh, during tomato (Solanum lycopersicum L.) growing seasons 2021 and 2022 to evaluate pest management benefit 4 insecticides, viz. Karate 2.5 ec (λ-cyhalothrin), Ripcord 10 (cypermethrin), Marshal 20 (carbosulfan), Shobicron 425 (profenofo...

In recent years, jassids have become a problem for cotton and the current control program this pest seems ineffective. This study was therefore initiated with objective of evaluating effectiveness three new phytosanitary protection programs against jassids. Trials were conducted at Nambingué observation post. The designs Fisher blocks 5 objects 4 replications. Each elemental plot had length 10 ...

This study on incidence of the jassid Amrasca biguttula in cucumber reveal that begins from 10<sup>th</sup> standard meteorological week (SMW) (0.56 jassid/ three leaves) with a peak (2.96 jassids/ 16<sup>th</sup> SMW. Whitefly Bemisia tabaci appeared during 11<sup>th</sup> SMW (0.80 whiteflies/ leaves), increasing to (2.65 17<sup>th</sup> Fruit f...

The study was carried out to find the seasonal abundance and impact of abiotic factors on major sucking pests brinjal. Brinjal variety BR-112 transplanted first fortnight July, 2020 at Research Farm Department Entomology, CCS Haryana Agricultural University, Hisar. results revealed that population whitefly adults nymphs, jassids, aphids red spider mite brinjal initiated in 28th 30th, 31st, 48th...