Ischnothyreus darwini Edward and Harvey

Edward, Karen L. & Harvey, Mark S., 2014, Australian Goblin Spiders Of The Genus Ischnothyreus (Araneae, Oonopidae), Bulletin of the American Museum of Natural History 2014 (389), pp. 1-144 : 13

Ischnothyreus darwini Edward and Harvey Map 2

Ischnothyreus darwini Edward and Harvey, 2009: 288–292 , figs. 1–11.

TYPES: AUSTRALIA: Northern Territory: Male holotype and female allotype collected from sifted rainforest leaf litter and under logs in Mary River National Park, Bryan Creek monsoon patch, 12.66083 ° S, 131.78194 ° E (25 Apr. 2008, K. Edward and P. Cullen), deposited in MAGNT (³ holotype: A004398, PBI _ OON 5889 ; ♀ allotype: A004399, PBI _ OON 5892 ). Paratypes: see Edward and Harvey (2009) .

DIAGNOSIS: This species can be distinguished from all others by the the unique shape of the embolic region of the male palp that divides roughly into two lobes, and the Ù-shaped epigynal atrium and thin convoluted duct of the female epigynal region. Males do not have a distinct knob or modification of the basal part of the fang, but is slightly flattened. The lateral margins of the carapace of both sexes are light olive green with the elevated portion of pars cephalica a lighter yellow or pale orange.

MALE (PBI_OON 5889): See Edward and Harvey (2009).

FEMALE (PBI_OON 5892): See Edward and Harvey (2009).

OTHER MATERIAL EXAMINED: AUS- TRALIA: Northern Territory: Annaburroo , pitfall, 12.90000 ° S, 131.66667 ° E (April, 1997, T.B. Churchill, WAM T78977, PBI _ OON 00004302 ), 1 ♀ ; Berrimah , pitfall, 12.41666 ° S, 130.92100 ° E (May 7–14, 1998, T.B. Churchill, WAM T78980, PBI _ OON 00004305 ), 1 ♀ ; Howard Springs , dry vine thicket, 12.46700 ° S, 131.06200 ° E (April, 1996, B. Hoffman, WAM T78981, PBI _ OON 00004306 ), 1 ³ ; same data ( WAM T78982, PBI _ OON 00004307 ), 1 ♀, CSIRO A1745 ; same data ( WAM T78983, PBI _ OON 00004308 ), 1 ♀, CSIRO A1746 ; Wangi Falls, Litchfield National Park , under bark of tree, 13.15000 ° S, 130.63333 ° E (May 26, 1992, M.S. Harvey, J.M. Waldock, WAM T78976, PBI _ OON 00004301 ), 1 ♀ .

DISTRIBUTION: This species is known only from the northwest region of the Northern Territory (map 1).

Figures

Map 2. Map of Northern Territory showing the recorded distributions of Ischnothyreus darwini (), I. puruntatamerii (+), I. florence (w), and I. nourlangie (m).