Ischnothyreus comicus, Edward & Harvey, 2014

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: 32-37

publication ID

http://doi.org/ 10.1206/865.1

persistent identifier

http://treatment.plazi.org/id/E466E016-FF8B-FF98-FD2F-7C5B3E60FCDB

treatment provided by

Felipe

scientific name

Ischnothyreus comicus
status

new species

Ischnothyreus comicus   , new species Figures 13–14 View Fig View Fig , map 4

TYPES: AUSTRALIA: Queensland: Male holotype from rainforest, 4.5 km W Cape Tribulation, 760 m, 16.08333 ° S, 145.43333 ° E (23 Sept.–7 Oct. 1982, G. Monteith, D. Yeates, G. Thompson), deposited in QM ( S16042 View Materials , PBI_ OON 25943 View Materials ). Female allotype from 4 km West Cape Tribulation, rainforest, 720 m, 16.08333 ° S, 145.43330 ° E (24 Sept. 1982, G. Monteith, D. Yeates, G. Thompson), depositied in QM (16055, PBI_ OON 25967 View Materials ).

ETYMOLOGY: The specific epithet is from the Latin comicus   , meaning ‘‘pertaining to comedy’’ ( Brown, 1956), and refers to the female smile-shaped epigynal atrium with rounded lateral edges.

DIAGNOSIS: This species is similar to I. meidamon   , sp. nov. However, males can be distinguished by the distal tip of the embolic region of the palp, which is obtusely bent at a right angle to the bulb and is longer than wide (fig. 14A, B). The female epigynal region has an epigynal atrium that is wider than high and smile shaped like I. meidamon   , sp. nov., but instead exhibits rounded lateral edges (figs. 13I, 14F).

MALE (PBI_ OON 25943 View Materials , figs. 13A–C, G– H, 14A–E of paratype ³). Total length 1.49. CEPHALOTHORAX: Carapace pale orange, broadly oval in dorsal view, pars cephalica slightly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, anterolateral corners without extension or projections, surface of elevated portion of pars cephalica finely reticulate, sides finely reticulate; nonmarginal pars cephalica setae light. Clypeus margin unmodified, straight in front view, low, ALE separated from edge of carapace by less than their radius; setae light. Eyes: ALE largest, ALE circular, PME oval, PLE oval; posterior eye row straight from above; ALE touching, ALE-PLE touching. Sternum as long as wide, yellow, uniform; setae light, evenly scattered. Chelicerae, endites, and labium pale orange. Chelicerae straight, anterior face unmodified; promargin of chelicerae with one or two larger denticles; fang shape normal, without prominent basal process; setae light. Labium elongated hexagon, not fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with six or more setae on anterior margin. Endites anteromedian tip with one strong, toothlike projection, more heavily sclerotized than sternum. ABDO- MEN: Ovoid; dorsum soft portions white. Dorsal scutum pale orange, covering 1/2 to 3/4 of abdomen, more than 1/2 to most of abdomen width, middle surface smooth, sides smooth. Epigastric scutum small lateral sclerites absent. Postepigastric scutum pale orange, covering about 1/2 of abdominal length. Dorsum, epigastric area, and postepigastric area setae light. LEGS: Pale orange, without color pattern; patella plus tibia I shorter than carapace. Leg spination: femora: I p0-1-1; II p0-1-0; tibiae: I, II p2-2-0; v2-2-0; metatarsi: I, II p1-1-0; v1-1-0. GEN- ITALIA: Palp proximal segments brown; embolus light; femur shorter than trochanter, without posteriorly rounded lateral dilation; patella about as long as femur; cymbium brown; bulb brown, 1 to 1.5 times as long as cymbium, stout; embolic region obtusely bent at right angle to palpal bulb, longer than wide, distally rounded, not tapered (fig. 14A, B).

FEMALE (PBI_ OON 25967 View Materials , figs. 13D–F, I, 14F). Total length 1.90. ABDOMEN: Book lung covers ovoid. Dorsal scutum between 1/4 and 1/2 abdomen width. Postepigastric scutum widely hexagonal, covering about 1/3 of the abdominal length. LEGS: Leg spination: femora: I p0-1-1; II p0-1-0; tibiae: I, II p2-2-0; v2-2-0; metatarsi: I, II p1-1-0; v1-1-0. GENITALIA: Ventral view: epigynal atrium wider than high, smile shaped, lateral edges rounded, heavily sclerotized processes absent; convoluted duct much thicker than apodemes (figs. 13I, 14F).

OTHER MATERIAL EXAMINED: AUS- TRALIA: Queensland: 2.0 km W Cape Tribulation . Site 4, rainforest, leaf litter, 200 m, 16.08333 ° S, 145.43330 ° E, Sept. 25, 1982 (G. Monteith, D. Yeates, G. Thompson, QM 16063, PBI _ OON 25746 View Materials ), 1 ³, 1 ♀ GoogleMaps   ; Cape Tribulation, 4.5 km W ( Site 9), rainforest, leaf litter, 760 m, 16.08333 ° S, 145.43330 ° E, Sept. 28, 1982 (G. Monteith, D. Yeates, G. Thompson, QM 16075, PBI _ OON 25743 View Materials ), 2 ³, 2 ♀ GoogleMaps   ; Cape Tribulation, 5 km W ( Site 10), rainforest, leaf litter, 780 m, 16.08333 ° S, 145.43330 ° E, Sept. 29–30, 1982 (G. Monteith, D. Yeates, G. Thompson, QM S16069 View Materials , PBI _ OON 25738 View Materials ), 2 ♀ GoogleMaps   ; Chujeba Peak summit, 7 km SW Redlynch, rainforest, leaf litter, 1000 m, 16.93333 ° S, 145.65000 ° E, Dec. 16, 1989 (G. Monteith, G. Thompson, QM S58115 View Materials , PBI _ OON 22215 View Materials ), 1 ♀ GoogleMaps   ; Daintree National Park, Cape Tribulation, on track to Mount Sorrow , rainforest, leaf litter, 600 m, 16.07833 ° S, 145.46166 ° E, Apr. 20, 2009 (H. Wood, CAS 9035020 View Materials , PBI _ OON 5629), 1 ♀ GoogleMaps   ; Daintree National Park, Mossman Gorge, water access track, rainforest, leaf litter, 16.47444 ° S, 145.32777 ° E, Apr. 1, 2009 (K. Edward and J. Waldock, QM S95912 View Materials ), 2 ³, 2 ♀ GoogleMaps   ; same data ( WAM T130760 View Materials ), 1 ³, 1 ♀ GoogleMaps   ; Daintree National Park, Mossman Gorge, water access track, rainforest, leaf litter, 16.47444 ° S, 145.32777 ° E, Apr. 1, 2009 (K. Edward and J. Waldock, QM S95913 View Materials , PBI _ OON 5671), 1 ³ GoogleMaps   ; Daintree National Park, Mossman Gorge, water access track, rainforest, leaf litter, 16.47444 ° S, 145.32777 ° E, Apr. 1, 2009 (K. Edward and J. Waldock, QM S95914 View Materials , PBI _ OON 5672), 2 ♀ GoogleMaps   ; Daintree National Park, western section, Manjal Jimalji trail ‘‘devils thumb,’’ rainforest, leaf litter, 16.38972 ° S, 145.32777 ° E, Apr. 4, 2009 (K. Edward and J. Waldock, QM S95915 View Materials ), 1 ♀ GoogleMaps   ; Daintree National Park, western section, Manjal Jimalji trail ‘‘devils thumb,’’ rainforest, leaf litter, 16.38972 ° S, 145.32777 ° E, Apr. 4, 2009 (K. Edward and J. Waldock, QM S95916 View Materials , PBI _ OON 5678), 1 ³ GoogleMaps   ; Daintree National Park, western section, Manjal Jimalji trail ‘‘devils thumb,’’ rainforest, leaf litter, 16.38972 ° S, 145.32777 ° E, Apr. 4, 2009 (K. Edward and J. Waldock, QM S95917 View Materials , PBI _ OON 5679), 1 ♀ GoogleMaps   ; Devils Thumb , 10 km NW Mossman, rainforest, leaf litter, 1150 m, 16.38333 ° S, 145.28330 ° E, Oct. 9, 1982 (G. Monteith, D. Yeates, G. Thompson, QM, S16082 View Materials , PBI _ OON 25811 View Materials ), 1 ³ GoogleMaps   ; Devils Thumb–Paul’s Luck Site 12, rainforest, 1300 m, 16.38333 ° S, 145.28330 ° E, Dec. 27, 1989, to Jan. 15, 1990 ( ANZSES expedition, QM S33933 View Materials , PBI _ OON 21752 View Materials ), 1 ³ GoogleMaps   ; Mossman Bluff Track, 5–10 km W Mossman ( Site 1), rainforest, 250 m, 16.46667 ° S, 145.36670 ° E, Dec. 16–30, 1988 (G. Monteith, G. Thompson, ANZSES, QM S38453 View Materials , PBI _ OON 22016 View Materials ), 1 ³ GoogleMaps   ; Mossman Bluff Track, 5–10 km W Mossman ( Site 1), rainforest, 250 m, 16.46667 ° S, 145.36670 ° E, Dec. 16–30, 1988 (G. Monteith, G. Thompson, ANZSES Expedition, QM S33796 View Materials , PBI _ OON 21732 View Materials ), 1 ³ GoogleMaps   ; Mossman Gorge National Park , circuit track, rainforest, leaf litter, 16.47222 ° S, 145.33055 ° E, May 21, 2007 (K. Edward and K. Pitz, QM S95918 View Materials , PBI _ OON 5568), 1 ³ GoogleMaps   ; Mount Hemmant , rainforest, leaf litter, 1050 m, 16.11667 ° S, 145.41670 ° E, Nov. 27, 1993 (G. Monteith, H. Janetzki, QM S24196 View Materials , PBI _ OON 21745 View Materials ), 1 ³ GoogleMaps   ; Mount Hemmant , 6 km SW Cape Tribulation, rainforest, leaf litter, 880 m, 16.11667 ° S, 145.41670 ° E, Apr. 25, 1983 (G. Monteith, D. Cook, QM S12965 View Materials , PBI _ OON 25742 View Materials ), 1 ³, 1 ♀ GoogleMaps   ; Mount Misery , summit, rainforest, 850 m, 15.87433 ° S, 145.22200 ° E, Dec. 6, 1990, to Jan. 17, 1991 (QLD Museum, ANZSES, QM S58148 View Materials , PBI _ OON 22160 View Materials ), 1 ³ GoogleMaps   ; Mount Pieter-Botte , rainforest, 900 m, 16.07383 ° S, 145.40530 ° E, Nov. 21–Dec. 08, 1993 (G. Monteith, H. Janetzki, QM S34776 View Materials , PBI _ OON 21963 View Materials ), 1 ³, 1 ♀ GoogleMaps   .

DISTRIBUTION: This species is only known only from the northern subregions of the Wet Tropics Bioregion (ML, FU, TU, and TL), in northeastern Queensland (map 4).

QM

Queensland Museum

WAM

Western Australian Museum