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Yousuf, Mohd.
- Morphometric Analysis of Trichogramma achaeae Nagaraja and Nagarkatti, an Important Biological Control Agent of Agriculture and Forestry
Abstract Views :318 |
PDF Views:130
Authors
Salman Khan
1,
Mohd. Yousuf
1
Affiliations
1 Forest Entomology Division, Forest Research Institute, Dehradun, IN
1 Forest Entomology Division, Forest Research Institute, Dehradun, IN
Source
Journal of Biological Control, Vol 31, No 2 (2017), Pagination: 90-94Abstract
Taxonomy of Trichogramma species is very important for their biological control program. Various researchers have proposed the taxonomic keys based on genitalia but there are other important characters that needs consideration and these have been largely ignored by taxonomists while proposing the taxonomic keys. In the present study, the emphasis is given on morphometry of some important characters including genitalia in Trichogramma achaeae Nagaraja and Nagarkatti. The average body length of both male and female were measured as 0.478 mm and 0.543 mm, respectively, it showed that females are longer than males. Important characters such as head length and width, hind wing length and width, also length of its marginal fringes were measured including setae on RS1, RS2, r-m veins and statistically analyzed for significant differences. Detailed morphometry of T. achaeae is described and discussed.Keywords
Characters, Measurements, Morphometrics, Trichogramma achaeae.Full Text
References
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- Yousuf M, Ikram M, Khan S, Azad MK. 2016a. Culture development of an indigenous species of Trichogramma from Punjab and its laboratory testing against poplar defoliator. Bioscan 11(4): 2071–2075.
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- Notes on Coccinellid Beetles (Coleoptera: Coccinellidae) from Forest Ecosystem of Uttarakhand, India
Abstract Views :277 |
PDF Views:187
Authors
Affiliations
1 Forest Research Institute, P.O. New Forest, Dehra Dun – 248006, Uttarakhand, IN
1 Forest Research Institute, P.O. New Forest, Dehra Dun – 248006, Uttarakhand, IN
Source
Journal of Biological Control, Vol 33, No 1 (2019), Pagination: 1-6Abstract
Present study on diversity of coccinellid beetles comprises a significant group of predatory beetles which are being utilized in biological control of insect pests from more than one hundred years ago throughout the world. An extensive survey and collection of coccinellid beetles was carried out by following the sweep net and handpicking method during a period of two years, June 2016 to May2018, in Uttarakhand, India. Collection of beetles was also made at different altitudes. All the collected beetles have been identified up to species level. In total, fifteen species of coccinellid beetles were identified as Aiolocaria hexaspilota (Hope), Anegleis cardoni (Weise), Brumoides suturalis (Fabricius), Coccinella septempunctata Linnaeus, C. transversalis Fabricius, Harmonia dimidiata (Fabricius), Henosepilachna vigintioctopunctata (Fabricius), Hippodamia variegata (Goeze), Illeis confusa Timberlake, Menochilus sexmaculatus (Fabricius), Micraspis allardi (Mulsant), Micraspis univittata (Hope), Oenopia sexareata (Mulsant), Platynaspidius saundersi (Crotch) and Propylea dissecta (Mulsant). H. vigintioctopunctata is phytophagous while I. confusa is mycophagous; all other species are predatory feeding on mealy bugs and aphids occurring on forest tree species. Out of all identified species, four species A. hexaspilota, I. confusa, O. sexareata and P. saundersi have been recorded for the first time from Uttarakhand.Keywords
Biological Control, Coccinellidae, Coleoptera, First Record, Forest, Predatory Beetles.Full Text
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