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Varatharajan, R.
- Role of Natural Enemies in the Management of Lipaphis erysimi (Kalt.) on Brassica juncea Var. Rugosa (Linn.)
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PDF Views:134
Authors
Affiliations
1 Department of Life Sciences, Manipur University, Canchipur, Imphal 795 003, IN
1 Department of Life Sciences, Manipur University, Canchipur, Imphal 795 003, IN
Source
Journal of Biological Control, Vol 16, No 1 (2002), Pagination: 27-30Abstract
The role of natural enemies on the population of Lipaphis erysimi (Kalt.) infesting B. juncea var. rugosa (Linn.) has been studied in three consecutive crop seasons (1993-96). The study revealed the occurrence of about a dozen natural enemies belonging to four groups viz., syrphids, coccinellids, hemerobiid and aphidiid. Among these, syrphids were found to be dominant over the others in terms of density, species composition and prey consumption potential.Keywords
Aphidiid, Coccinellids, Hemerobiid, Lipaphis erysimi, Natural Enemy, Syrphids.Full Text
- A new record of Franklinothrips megalops (Trybom, 1912) (Aeolothripidae: Thysanoptera) from North Eastern India
Abstract Views :309 |
PDF Views:114
Authors
Affiliations
1 Division of Insect Systematics, National Bureau of Agricultural Insect Resources, Bengaluru 560024, IN
2 Centre of Advanced Study in Life Sciences, Manipur University, Imphal, Manipur 795003, IN
1 Division of Insect Systematics, National Bureau of Agricultural Insect Resources, Bengaluru 560024, IN
2 Centre of Advanced Study in Life Sciences, Manipur University, Imphal, Manipur 795003, IN
Source
Journal of Biological Control, Vol 30, No 2 (2016), Pagination: 119-120Abstract
Franlinothrips megalops (Trybom), a predatory thrips on several species of thrips was recorded from Tripura, North east India for the first time.Keywords
Franklinothrips megalops, record, Tripura, North East IndiaFull Text
References
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- Varatharajan R. 2005. Faunastic diversity of thrips (Thysanoptera) of North Eastern India. Manipal University. 74 pp.
- Veer V. 2010. A new species of Franklinothrips (Thysanoptera: Terebrantia: Aeolothripidae) from Uttarakhand, India. Ann Entomol. 28(2): 7–9.
- On the Collections of Predatory thrips (Insecta: Thysanoptera) from NE India
Abstract Views :281 |
PDF Views:143
Authors
Affiliations
1 Centre of Advanced Study in Life Sciences, Manipur University, Imphal – 795003, Manipur, IN
2 National Bureau of Agricultural Insect Resources (ICAR-NBAIR), Bengaluru – 560024, Karnataka, IN
1 Centre of Advanced Study in Life Sciences, Manipur University, Imphal – 795003, Manipur, IN
2 National Bureau of Agricultural Insect Resources (ICAR-NBAIR), Bengaluru – 560024, Karnataka, IN
Source
Journal of Biological Control, Vol 32, No 1 (2018), Pagination: 8-13Abstract
A dozen species of predatory thrips collected from the national parks and wildlife sanctuaries of biodiversity rich northeastern India, belonging to 9 genera in 3 families viz., Aeolothripidae, Thripidae and Phlaeothripidae are reported here with the details of their habitat, prey species that they encounter and geographic distribution of predator along with the key to identify them. The data on predatory thrips of NE India showed that the aeolothripids are represented by 6 species in 5 genera, thripids by a genus and a species and the phlaeothripids by 5 species in 3 genera.Keywords
Bio-Control, Hotspots of NE India, Species Diversity, Thysanoptera.Full Text
References
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- Cross infection of Pieris brassicae granulosis virus on other siblings of Pieris species
Abstract Views :259 |
PDF Views:182
Authors
Affiliations
1 CAS in Life Sciences, Manipur University, Imphal - 795003, Manipur, IN
2 Division of Germplasm Collection & Characterization, ICAR-National Bureau of Agricultural Insect Resources, Bengaluru - 560024, Karnataka, IN
1 CAS in Life Sciences, Manipur University, Imphal - 795003, Manipur, IN
2 Division of Germplasm Collection & Characterization, ICAR-National Bureau of Agricultural Insect Resources, Bengaluru - 560024, Karnataka, IN
Source
Journal of Biological Control, Vol 33, No 4 (2019), Pagination: 385-388Abstract
Pieris brassicae granulosis virus (PibrGV) has been found to infect yet another two siblings namely P. canidia Linn. & Pontia daplidice (= Pieris daplidice) (Roeber) in addition to P. brassicae (Linn.). The susceptibility of P. canidia and P. daplidice has been established clearly in this work by inoculating them with PibrGV @ 5 × 104 occlusion bodies (OBs) per ml by the conventional leaf disc method. All the inoculated larvae e × hibited typical symptoms of viral infection after 5-7 days of post infection. The above three species of the genus Pieris occur on cabbage and cauliflower plants at different periods in the valley region of Imphal and therefore, it is possible to control all the three species of Pieris using the same virus. LC50 value of PibrGV on P. brassicae, P. canidia and P. daplidice was found to be 7.9 × 104; 10 × 106; and 6.3 × 106 OBs/ml and the LT50 was 134.89; 138.03; 174.50 hours, respectively.Keywords
Cross Infection, Granulosis Virus, Pieris canidia, Pieris brassicae, Pontia daplidiceFull Text
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