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RAGHAVENDHAR, B.
- First Record of Natural Enemy, Trechnites Aligharhensis on Trioza Fletcheri Minor Crawford, A Major Pest on Terminalia Arjuna and Terminalia Tomentosa
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Authors
B. THIRUPAM REDDY
1,
M. CHANDRASHEKHARAIAH
2,
B. RAGHAVENDHAR
3,
D. M. BAWASKAR
4,
C. SELVARAJ
5,
S. M. MAZUMDAR
6,
G. V. VISHAKA
2,
H. A. NADAF
2,
M. S. RATHORE
2,
K. SATHYANARAYANA
2
Affiliations
1 Basic Seed Multiplication and Training Centre, Kharsawan –833216, Jharkhand, IN
2 Basic Tasar Silkworm Seed Organization, Central Silk Board, Bilaspur – 495112, Chhattisgarh, IN
3 Department of Entomology, Professor Jayashankar Telangana State Agricultural University, Hyderabad - 500030, Telangana, IN
4 Basic Seed Multiplication and Training Centre, Balaghat – 481001, Madhya Pradesh, IN
5 Basic Seed Multiplication and Training Centre, Madhupur – 815353, Jharkhand, IN
6 Basic Seed Multiplication and Training Centre, Kathikund – 814103, Jharkhand, IN
1 Basic Seed Multiplication and Training Centre, Kharsawan –833216, Jharkhand, IN
2 Basic Tasar Silkworm Seed Organization, Central Silk Board, Bilaspur – 495112, Chhattisgarh, IN
3 Department of Entomology, Professor Jayashankar Telangana State Agricultural University, Hyderabad - 500030, Telangana, IN
4 Basic Seed Multiplication and Training Centre, Balaghat – 481001, Madhya Pradesh, IN
5 Basic Seed Multiplication and Training Centre, Madhupur – 815353, Jharkhand, IN
6 Basic Seed Multiplication and Training Centre, Kathikund – 814103, Jharkhand, IN
Source
Journal of Biological Control, Vol 35, No 2 (2021), Pagination: 76-81Abstract
Studies have been carried out on exploration of natural enemies of the Psyllid bug, Trioza flecheri minor on Terminalia spp., the primary host plantations of tasar silkworm during April to November, 2020. The results of the studies indicated that among the natural enemies recorded on T. flecheri minor, the Trechnites aligarhensis Hayat, Alam and Agarwal was the major encyrtid parasitoid. The incidence of T. f. minor was significantly more on T. arjuna (22.98% galls) compared to T. tomentosa (12.59% galls) and peak incidence was observed during the August and September months. The parasitization of T. aligarhensis on T. f. minor was significantly more on T. arjuna (33.13%) as compared to T. tomentosa (24.92%).Keywords
Galls, parasitisation, Tasar silkworm, Trechnites aligarhensis, Trioza flecheri minor.Full Text
References
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