Seasonal abundace of rhinoceros beetles captured in light trap at Kassassen district, Ismailia Governorate [electronic resource].

Includes reference.

Seasonal abundance of rhinoceros beetles, orydes spp. and phy//ognathus excavatus. were carried out under field conditions. results obtained could be summarized as follows:1- ecological studies on adult stage was carried out at kassassen district ,the following results were obtained* the seasonal abundance of adult stage was carried out by using light trap during seasons 1997, 1998 and 1999.the activity period of orydes spp. was extended from marchi april until december in all investigated seasons the highest activity numbers during october (1300individuals). two times of activities at september (1187 individuals) and october (1300 individuals) the highest number of insects was trapped during season of 1997 followed by 1998 while the least was at 1999 with densities 1668, 1443 and 1271 individuals respectively. activity period of Ph. excavatus extended from january until december in all investigated seasons the highest activity was recorded during October (860 individuals).another activity period was at august (410 individuals). the highest number of insects captured in light trap was recorded during season 1997 followed by 1998 and the least at 1999 with densities of 1249, 915 and 726 individuals, respectively.

Summary in arabic.

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