This page might help. Latrodectus - Wikipedia Black Widows are in the Theridiididae family, and the genus Latrodectus. Knowing this much will help you to figure out if these spiders are in Nepal. read more
Ask New Question John Robinson, 40+ years of naturalist training and experience, especially birds and spiders. read more
Northern black widow spiders are rarely found indoors. However, they may enter human dwellings on piles of firewood or other items brought inside. Most adult female northern black widow spiders are shiny black in color, with rows of red spots atop the abdomen. read more
Species: 31 species of"widow spiders," including: Latrodectus hersperus (western black widow), Latrodectus mactans (southern black widow) and Latrodectus variolus (northern black widow) Black widow mating. According to Canadian Geographic, black widows are primarily solitary, with the exception of late spring when mating occurs. Female spiders can live up to three years. Males typically live for one or two months. read more