NGHIÊN CỨU NHỆN (ARANEAE) TRONG HANG ĐỘNG KHU VỰC NA HANG, TỈNH TUYÊN QUANG

An assessment of the present status of spiders (Araneae) from caves in Na Hang nature reserve was undertaken. A total of 23 species from 19 genera and 15 families are known from 3 typical caves in Na Hang nature reserve, Tuyen Quang province. Of the species collected, only 6 species are regarded as true cave spiders (troglobites), while 7 are troglophiles, found both inside and outside caves. The rest of the species (10) are cave accidentals and they are found mainly around the entrances. The distribution of cave spiders discussed in the paper.