Spatial Distribution of the Mango Leaf Gall, Procontarinia Matteiana Kief, and Cocc. on Mango Cv. Dashehari

Mango is infested by several leaf galls, of which Procontariana matteiana Keiff. and Cocc. (Cecidomyiidae: Diptera) is the most importment. To detecmene the spatial distribution, a study was carried out in Lucknow district, It was found that Iwao's regression method explained the aggregation of the galls and it conformed to Iwao's combination α > 0 and (J = 1. The exponent ‘K’ of the negative binomial fitted well to the data. Taylor's power series and Lloyds index of patchiness showed aggregation. Though there was aggregation at micro-distribution level, the galls tended to randomness at a macro-distribution level.