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Shivanna, B. K.
- Diversity and Diagnostics of Sternorrhynchan Insect Pests Infesting Arecanut
Abstract Views :101 |
PDF Views:72
Authors
Affiliations
1 Department of Agricultural Entomology, College of Agriculture University of Agricultural and Horticultural Science, Shivamogga 577204, Karnataka, IN
2 Department of Agricultural Entomology, College of Agriculture University of Agricultural and Horticultural Science, Shivamogga 577204, Karnataka,, IN
3 ICAR-National Bureau of Agricultural Insect Resources, Bengaluru 560024, Karnataka, IN
4 Department of Agricultural Entomology, College of Agriculture, University of Agricultural and Horticultural Science, Shivamogga 577204, Karnataka, IN
1 Department of Agricultural Entomology, College of Agriculture University of Agricultural and Horticultural Science, Shivamogga 577204, Karnataka, IN
2 Department of Agricultural Entomology, College of Agriculture University of Agricultural and Horticultural Science, Shivamogga 577204, Karnataka,, IN
3 ICAR-National Bureau of Agricultural Insect Resources, Bengaluru 560024, Karnataka, IN
4 Department of Agricultural Entomology, College of Agriculture, University of Agricultural and Horticultural Science, Shivamogga 577204, Karnataka, IN
Source
Indian Journal of Entomology, Vol 84, No 3 (2022), Pagination: 509-515Abstract
Investigations were carried out in major arecanut growing districts of Karnataka during 2019-2020 to know the species composition of sternorrhynchan pests viz., mealybugs, scales and aphids. A total of 14 species of sternorrhynchan sucking insect pests were recorded in the arecanut growing districts. These belong to five families viz., Coccidae Stephens, Diaspididae Maskell, Pseudococcidae (Heymons) and Aphididae (Buckton). Among these, Coccidae was the species rich. Prococcus acutissimus (Green) was the most predominant species followed by Pseudococcus longispinus (Targioni Tozzetti), Ceroplastes sp. nr. rusci (L.), Chrysomphalus aonidum (L.), Parasaissetia nigra (Neitner), Coccus viridis (Green), Coccus hesperidum L., Pseudaulacaspis cockerelli (Cooley), Pinnaspis aspidistrae (Signoret), Lepidosaphes gloveri (Packard), Ferrisia virgata (Cockerell), Dysmicoccus brevipes (Cockerell) and Cerataphis lataniae (Boisduval). Diagnostics of these with descriptions of taxonomic characters and a key to genera is also provided herein.Keywords
Arecanut, Aphids, Karnataka, Mealybugs, Scales, Taxonomic Key.Full Text
References
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- Diversity of White Grubs (Coleoptera: Scarabaeidae) in Dakshina Kannada District, Karnataka, India
Abstract Views :116 |
PDF Views:69
Authors
Affiliations
1 Department of Entomology, University of Agricultural and Horticultural Sciences, Shivamogga 577201, Karnataka, IN
2 Division of Germplasm Collection and Characterisation, ICAR-National Bureau of Agricultural Insect Resources, Hebbal, Bengaluru 560024, Karnataka, IN
1 Department of Entomology, University of Agricultural and Horticultural Sciences, Shivamogga 577201, Karnataka, IN
2 Division of Germplasm Collection and Characterisation, ICAR-National Bureau of Agricultural Insect Resources, Hebbal, Bengaluru 560024, Karnataka, IN
Source
Indian Journal of Entomology, Vol 84, No 4 (2022), Pagination: 766-769Abstract
White grubs, also known as May or June beetles belong to the family Scarabaeidae of Coleoptera. A study assessed the species diversity and distribution of these in Dakshina Kannada district of Karnataka. Adult beetles were collected with light traps and manually from March to July, 2018 and 2019. The collection of 179 specimens resulted in 17 species belonging to nine genera of Melolonthinae and Rutelinae. Melolonthinae was slightly more speciose over Rutelinae with ten species under seven genera, whereas Rutelinae was represented by seven species under two genera. Overall, Sophrops karschi (Brenske) was the predominant species constituting 40.22% followed by Anomalochela bicolor subsp. belgaumensis Moser and Apogonia sp.1 (10.06% each). More number of species were documented in Belthangady region than Dharmasthala and Vittla. The data subjected to diversity indices revealed low species diversity in terms of evenness as species composition was skewed towards five species viz., Sophrops karschi, Anomalochela bicolor subsp. belgaumensis, Apogonia sp.1, Miridiba excisa and Adoretus versutus, which constituted nearly 79%.Keywords
Abundance, Melolonthinae, Rutelinae, white grub, genera, species, composition, evenness, Sophrops karschi, light traps, Western GhatsFull Text
References
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