Keanekaragaman organisme tanah, seperti makrofauna tanah di suatu tempat dipengaruhi oleh kondisi lingkungan sekitarnya. Kegiatan budidaya yang tidak ramah dapat mempengaruhi keseimbangan ekosistem, khususnya menurunkan keberadaan dari tersebut. Penelitian ini bertujuan untuk mengindentifikasi dan menghitung indeks keanekaragaman perkebunan jeruk siam. dilakukan Desa Mekarsari, Kecamatan Bayong...

Previous research using computer animation and lures made from dead prey has demonstrated that the East African salticid Evarcha culicivora Wesolowska & Jackson (Araneae: Salticidae) feeds indirectly on vertebrate blood by actively choosing blood-carrying female mosquitoes as prey, and also that it singles out mosquitoes of the genus Anopheles (Diptera: Culicidae) by preference. Here, we demons...

Stabilimenta are zigzag and spiral designs of seemingly conspicuous silk included at the centers of many spider webs. We examined the association of stabilimenta with the ability of spiders to defend themselves against predatory mud-dauber wasps. We found that Argiope trifasciata (Araneae, Araneidae) were signiŽ cantly more likely to survive attacks by Chalybion caeruleum and Sceliphron caement...

Reproduction in arthropods is an interesting area of research where intrasexual and intersexual mechanisms have evolved structures with several functions. The mating plugs usually produced by males are good examples of these structures where the main function is to obstruct the female genitalia against new sperm depositions. In spiders several types of mating plugs have been documented, the mos...