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Kumar, Sushil
- A Note on Cheetal, Axis Axis (Frxeleban) Damage to Nursery Stock, at Satyanarayan Fofest Nursery, Dehra Dun (U.P.)
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Indian Forester, Vol 119, No 2 (1993), Pagination: 157-158Abstract
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- Damage to Nursery Stock by a Rodent Nesokia indica (Gray) at Satyanarayan Forest Nursery, Dehra Dun (Uttar Pradesh)
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Indian Forester, Vol 115, No 3 (1989), Pagination: 177-179Abstract
The paper gives an account of nature and extent of damage by a species of short tailed mole rat Nesokia indica (Gray) to the nursery stock at Satyanarayan Forest Nursery, Dehra Dun. Observations on the burrows and the burrowing habits of the species are also included. This appears to be the first record of this species as a forestry pest in northern India.- Bionomics and Control of Tendu Defoliator Hypocala rostrata L. (Lepidoptera: Noctuidae)
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Indian Forester, Vol 115, No 4 (1989), Pagination: 258-263Abstract
Biology of tendu defoliator Hypocala rostrata was studied. Larvae started to appear in the month of April and highest population was recorded in the month of October, 1985. In July and August average larval period of 18 ± 1.41 days was recorded. Pupal period varied from 6.17 ± 0.41 to 15.89 ± 4.43 days in April and November. Respectively. Nuvan and Monocrotophos in EC formulations were found effective to control the 3rd stage larvae.- Chemical Control of Termites in Eucalyptus Hybrid
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Indian Forester, Vol 115, No 10 (1989), Pagination: 733-743Abstract
Among the exotics, Eucalyptus has emerged as the most favoured species under afforestation programmes in most of the countries where it has been introduced for obtaining higher biomass productivity. However, ischolar_main feeding tel mitts have proved a major constraint for its successful propagation both in nurseries and plantations. Localised tumite damage bas been estimated to result in 50-80 per cent mortality in seedlings and young plantations in some localities. Till recently, the recommendations have been based on bigbly persistent cblorinattd hydrocarbon insecticides, most of which have been banned and are not easily available. In our experiments on the comparative efficacy of various insecticides, chlorpyrifos an organophosphate compound has been found an equally effective insecticide for soil treatment. In the present study, an attfmpt has been made to evaluate various methods of application and the optimum dosage requind for controlling termites in Eucalyptus.- Observation on Spider Predation on Termite's Alates
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Indian Forester, Vol 114, No 2 (1988), Pagination: 91-92Abstract
In this article, the author has described the predation of termite's alates of Microtermes unicolor Snyder by spiders.- Studies on Seasonal Activity of some Agro-Forestry Insect Pests by Light Trap
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Indian Forester, Vol 114, No 4 (1988), Pagination: 215-229Abstract
Seasonal activity and abundance of insect pest species (15 Insect species) i.e. defoliators, borers and sap suckers of agro-forestry importance were studied for two years during 1983 to 1985. Variation in adult population during different months, peak period of activity, infestation, fluctuation in population level on the basis of light trap catches were recorded. The meteorological data of the study area (KV AK, Jabalpur) was maintained. Light trap device was found helpful predictng the active insect species in study area, the infestation time and level. The technique is found effective in forest pest management having no adverse effect on environment.- Swarming, Sex-ratio, Sexual Dimorphism, Weight and Moisture Content in Microtermes unicolor Snyder (Isoptera : Termitiuae)
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50:50 ratio at 0.1% level of probabillty. Sexual dimorphism was found significantly differ in regards of total body length and maximum width of abdomen. Females were distinctly heavier than males in wet and dry weight and loss of moisture. In percentage of moisture content in body, females are somewhat heavier than males.
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Indian Forester, Vol 114, No 8 (1988), Pagination: 474-478Abstract
Swarming, Sex ratio, sexual dimorphism, weight and moisture content in M. unicolor have been discussed. Swarming was recorded in between 7.30 pm. to 9.00 p.m. in the month of June. Sex ratio for all colonies statistically deviated from50:50 ratio at 0.1% level of probabillty. Sexual dimorphism was found significantly differ in regards of total body length and maximum width of abdomen. Females were distinctly heavier than males in wet and dry weight and loss of moisture. In percentage of moisture content in body, females are somewhat heavier than males.
- Population Dynamics of Hyblaea puera Cram (Lepidoptera: Hyblaeidae) and Eutectona machaeralis Walk. (Lepidoptera: Pyralidae) in Teak Forest of Madhya Pradesh (India)
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Indian Forester, Vol 114, No 11 (1988), Pagination: 803-813Abstract
Teak defoliator Hyblaea puera and skeletonizer Eutectoria machaeralis are serious. Insect pests of teak in IndIa which cause severe damage to green foliage durina growth period of the trees. The seasonal abundance and fluctuation in pests population associated with the incidence of attack, was studied at three location in Barela Rance, Mandla Forest Division (Madhya Pradesh, India) during 1982 to 1986. The results of five years data on population dynamics are discussed in relation to pest status of defoliator and skeletonizer. The major active period of H. puera was July and August while least active period was observed from September onwards. Generally, the pest complete 2 to 3 overlapping generatiOns during its active period. In E. machaeralis, the highest population was recorded during September. It complete 4-5 overlapping generation during its active period from August to October.- On The Biology of Sterculia urens, Roxb. (KullU) Defoliator Oglasa separata Walker (Lepidoptera: Noctuidae)
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Indian Forester, Vol 114, No 12 (1988), Pagination: 884-886Abstract
Defoliation of Sterculia urens (Kullu) trees by Oglasa separata Walker was recorded in Madbya Pradesh. Biology of defoliator was studied. the insect completes its life cycle from 43 to 60 days during July and August. Larval and pupal period was recorded 20 to 25 and 10 to 15 days respectively.- Occurrence of a Nest of Microcerotermes Beesoni Snyder at the Top of Mound of Odontotermes obesus (Rambur)
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Indian Forester, Vol 113, No 11 (1987), Pagination: 755-756Abstract
No abstract- Stalagmite Tube formation in Microcerotermes beesoni Synder (Isoptera: Termitidae: Amitermitinae)
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