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Prasad, Lalji
- Chrysoperla carnea Stephens (Neuroptera : Chrysopidae) as a New Predator of Plecoptera reflexa Guen. a Key Defoliator of Shisham
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Indian Forester, Vol 129, No 11 (2003), Pagination: 1415-1417Abstract
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- Population Dynamics of Dalbergia sissoo Defoliators ,
Plecoptera reflexa and Dichomeris eridantis
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Indian Forester, Vol 128, No 7 (2002), Pagination: 800-812Abstract
The cyclic pattern in the population dynamics of defoliators D. eridantis and P. reflexa of Dalbergia sissoo is governed by delayed density-dependent factors and its growth rate. However , environmental variable particularly humidity and temperature are also influencing the population , since theses are directly affecting the parasitism phenomenon.- Effect of Cold Storage on the Survival of Copidosoma varicorne (Nees) (Hymenoptera : Encyrtidae) a Parasitoid of Dichomeris eridantis Meyr. (Lepidoptera: Gelechiidae)
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Indian Forester, Vol 126, No 6 (2000), Pagination: 647-652Abstract
The effect of low temperature during cold storage on the survival period, mortality and fecundity of adult Copidosoma varicorne (Nees) was investigated under controlled laboratory conditions of 11.00 ± 1.00°C. Adult longevity was maximum 120 hrs. after 48 hrs. of storage. Specimens stored at 11 ± 1°C temperature increased longevity period which was significant, when compared with control. These studies were carried out during April-June, 1998 to explore the possibility of using C. varicorne as a promising biological control against Shisham defoliator (Dichomeris eridantis Meyr.) in the field including augmentation and innundative release on large scale in future under social forestry programme.- 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.- 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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