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Not AvailableA field experiment was conducted for two consecutive seasons (2013 and 2014) in Lucknow, Uttar Pradesh to study seasonal incidence and develop weather based forecasting model for mango leaf webber. A wide variation was observed in the leaf webber incidence across fixed plot orchards, standard meteorological weeks (SMW) and between two seasons. The peak incidence of leaf webber was found during the 37th SMW during the year 2013 with 9.7 webs per tree, whereas, in the consecutive season its peak incidence was observed during 38th SMW with 3.5 webs per tree. Mango leaf webber incidence was found to be significant negative correlation with minimum temperature (r = - 0.39 * * ), wind speed (r = - 0.48 * * ) and positively correlated with the minimum relative humidity (r = 0.37 * * ). Compare to linear models, polynomial models had explained highest amount of variation. Minimum temperature, minimum relative humidity along with wind speed had explained 36 per cent of variation in the leaf webber incidence. Hence, the weather based forecasting model for the leaf webber (Y) for Lucknow region is Y = 31.90 - 1.35 × minimum temperature - 0.72 × wind speed + 0.08 × minimum relative humidity (R2 = 0.36; F = 4.20 p< 0.01). This prediction model after validation can be utilized in the agro advisories for predicting the incidence and timely management of leaf webber.Not Availabl

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Not AvailableA 3-year study with 20-35 years old mango orchards of cv. Dashehari was conducted to study the mango hoppers and their thermal requirement association. Hopper populations significantly varied across seasons within a year. Lower populations (0.69-1.15 hoppers sweep-1) were recorded during 2011-12 as compared to higher populations of 1.32-4.03 hoppers sweep-1 during 2013-14. The highest population was observed during 10-22 standard meteorological week in each season coinciding with reproductive phase of mango. Thermal indices viz., growing degree days, heliothermal units and photothermal units were applied to estimate the peak hopper population in Lucknow region. A total of 1000°Cd GDD, 9265.2 HTU and 15169.5 PTU were required to reach the peak hopper incidence with significant linear relationships. These regression equations were explained up to 80-90% variations in mango hopper populations. The association between mongo hoppers and thermal indices could be used for prediction of peak incidence in Lucknow region for taking up timely management practices.Not Availabl

Efficacy of different management schedules against mango shoot gall psylla, Apsylla cistellata (Buckton) (Hemiptera: Psyllidae)

Not AvailableA study was undertaken in mango orchards (cv. Dushehari) to evaluate different management schedules (MS) against shoot gall psylla Apsylla cistellata at four locations viz., Braijalalpur and Barabhari in Sitapur district and Sohawal and Katrauli in Faizabad district for two years. Among the management schedules, MS-II comprising of first spray with profenophos was found superior with lower nymphs(4.58) per in situ ovipositional slit. Among the management schedules the lowest number of infested shoots (2.22 infested shoots/5 shoots) were observed in MS-IV, however in other management schedules, also number of infested shoots were found on par each other except control. Lowest number of galls/shoot was recorded in MS- IV with 8.1 galls /shoot. Lowest number of nymphs/gall was observed in MS-IV with 3.80 nymphs/gall,MS-I, MS-II, MS-IV was found on par each other. With considering thelower number of infests shoots, galls/infested shoot and nymphs/gall MS-IV was found effective in reducing the shoot gall psylla infestation. This management can be used for effective management of the mango shoot gall psylla.Not Availabl

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Not AvailableConsidering the quarantine importance of the red-banded mango caterpillar, Deanolis sublimbalis (Crambidae: Lepidoptera), studies were carried out to predict the impact of climate change on its geographical distribution using the ecological niche modeling. Predictions were made based on the analysis of the relationship between occurrence points of D. sublimbalis and the corresponding current and future climate data of the study area, which was retrieved from the worldclim database. Spatial analysis software DIVA-GIS was used for visualization of the maps. The maximum entropy algorithm provided reasonable estimates of the species range in respect of discrimination of suitable and unsuitable areas for its occurrence in both present and future climatic conditions. The model provided a good fit for species distribution with a high value of area under the curve (0.971). Jackknife test indicated temperature seasonality to be the most important bioclimatic variable determining the potential geographical distribution of D. sublimbalis. The model predicted higher suitability areas for the pest occurrence in eastern parts of Andhra Pradesh, coastal regions of Orissa, southern parts of West Bengal, and some parts of Tripura. In future climate scenarios of 2030, 2050, 2070, and 2080, model-predicted relative increase in its distribution. Prediction of likely changes in the pest distribution with climate change will be useful in formulating effective management strategies against mango fruit borer.Not Availabl

Review of the genus Sparasion Latreille, 1802 (Hymenoptera: Platygastroidea: Sparasionidae) of the Oriental region with descriptions of new species from India

Abstract Background The genus Sparasion, endoparasitoids of Tettigoniidae, occur in the Nearctic, Palearctic, Afrotropical and Oriental regions. It is absent in the Neotropics and Australasia. Of the thirteen species found in the Oriental region only a single species is from India. Results Two new species groups - Sparasion bilahari species group and Sparasion manavati species group - are proposed for species from the Oriental region. Thirty-six species are described and illustrated of which twenty-four are new: Sparasion albopilosellus Cameron, 1906 (Pakistan); S. bhairavi Veenakumari, sp. n. (India); S. bhupali Veenakumari, sp. n. (India); S. bihagi Veenakumari, sp. n. (India); S. bilahari Veenakumari, sp. n. (India); S. cellularis Strand, 1913 (Taiwan); S. coconcus Kozlov and Lê, 2000 (Vietnam); S. coeruleus Kieffer, 1905 (Sumatra); S. cullaris Kozlov and Lê, 2000 (Vietnam); S. darbari Veenakumari, sp. n. (India); S. deepaki Veenakumari, sp. n. (India); S. domes Kozlov and Lê, 2000 (Vietnam); S. elbakyanae Veenakumari, sp. n. (India); S. formosus Kieffer, 1910 (Taiwan); S. hindoli Veenakumari, sp. n. (India); S. kalyani Veenakumari, sp. n. (India); S. kanakangi Veenakumari, sp. n. (India); S. karivadana Veenakumari, sp. n. (India); S. lividus Johnson, Masner & Musetti, 2008 (Philippines); S. manavati Veenakumari, sp. n. (India); S. meghmalhari Veenakumari, sp. n. (India); S. micromerus Kozlov and Lê, 2000 (Vietnam); S. pahadi Veenakumari, sp. n. (India); S. philippinensis Kieffer, 1913 (Philippines); S. ratnangi Veenakumari, sp. n. (India); S. rupavati Veenakumari, sp. n. (India); S. salagami Veenakumari, sp. n. (India); S. shulini Veenakumari, sp. n. (India); S. sinensis Walker, 1852 (China); S. sivaranjini Veenakumari, sp. n. (India); S. syamalangi Veenakumari, sp. n. (India); S. todi Veenakumari, sp. n. (India); S. travancoricus Mani and Sharma, 1981 (India); S. vanaspati Veenakumari, sp. n. (India); S. visvambari Veenakumari, sp. n. (India) and S. zeelafi Veenakumari, sp. n. (India). Keys to Oriental species of Sparasion are furnished. Intrasexual colour morphs among females of Sparasion is reported. Lectotype is designated for Sparasion cellularis Strand. Conclusions Twenty-four new species are added to the Indian fauna of Sparasion. Previously described species of Oriental Sparasion are redescribed and illustrated. Keys are furnished for all Oriental species