Abstract
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 subgenera and six species among which three species are newly reported, is therefore, a new addition to Coccinellid fauna of Pakistan. Keys to all taxa, descriptions of the higher taxa, species diagnoses, synonymies, and distribution records are included.
Highlights
Coccinellids are important natural enemies of aphids, scale insects, mealybugs, whiteflies, jassids and mites
Members of the Scymnini are predaceous, feeding on homopterous insects; they are of interest to biological control
Coccinellids housed in different institutions of Pakistan were studied and reported 162 species from different parts of the country except parts of the Baluchistan Province
Summary
Coccinellids are important natural enemies of aphids, scale insects, mealybugs, whiteflies, jassids and mites. Thirteen species of predators were recorded associated with the mealy bug in agricultural fields at Multan, Tando Jam, and Winder (Baluchistan) These included Coccinellids were Brumoides suturalis (F.), Scymnus coccivora (Ayyar), Scymnus sp., Nephus sp., Cheilomenes sexmaculatus (F.), Coccinella septempunctata (L), Hyperaspis sp., Adonia sp., and Exochomus sp. The following Coccinellids N. reguralis Sicard, P. murreensis Ahmad, P. simmondsi Ahmad, Pullus coccivora Ayyar, Pseudoscymnus guimeti Mulsant, Pseudoscymnus pyrochaltus Mulsant, Scymnus guimeti Mulsant, S. fuscatus Boh, S. nubilus were reported on members of the family Diaspidae, Pseudococcidae, Coccidae, Aphididae, Tetranychidae, and Adelgidae from Rawalpindi, Peshawar, Swat, Murree, Northern Areas, and Kashmir (Irshad 2001a,b, 2003; Irshad and Khan 2005; Rafi et al 2005). The male genitalia of the minute-sized species of the genus Scymnus Mulsant were treated for the first time in the history of the family Coccinellidae (Wilson 1927)
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