Dicopomorpha Ogloblin, Dicopus Enock and Omyomymar Schauff (Hymenoptera: Mymaridae) are recorded from India for the first time and one new species, Dicopus noyesi Manickavasagam, sp. nov., is described from material collected from the state of Tamil Nadu. Gonatocerus bicoloriventris Zeya, G. breviterebratus Subba Rao, G. shamimi Subba Rao and Hayat, Mymar schwanni Girault, Narayanella thornypoda (Narayanan & Subba Rao) and Polynema mendeli Girault (Mymaridae) are also newly recorded from the state of Tamil Nadu.
Thirty six genera and forty species of encyrtid parasitoids are reported as new records from Pondicherry and Karaikal districts of Union Territory of Puducherry (=Pondicherry), India.
Encyrtid parasitoids play an important role in the biological control of many agricultural as well as horticultural pests. The present study determines and compares the faunal and temporal diversities of Encyrtidae in finger millet, rice and sugarcane ecosystems at the College of Agriculture, V C Farm, Mandya, Karnataka. The study was conducted at fortnightly intervals over a period of 12 months from March, 2016 to February, 2017 at the G and C-blocks of the farm. As a result, 2647 encyrtids were collected- 1019 specimens (20 genera) were from finger millet; 604 (22 genera) and 1024 (29 genera) were from rice and sugarcane ecosystems, respectively. The abundance, Shannon-Wiener index, Simpson index and richness (Margalef’s index) were computed and it was concluded that maximum diversity occurred in sugarcane and rice ecosystems (Hʹ=3.00) and the least was with the finger millet ecosystem (Hʹ=.2.78). Bray-Curtis cluster analysis and Metric Multidimensional scaling analysis were made to study the similarity and encyrtid diversity in different seasons.
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