Pison translucens Pulawski, 2018

Pulawski, Wojciech J., 2018, A Revision of the Wasp Genus Pison Jurine, 1808 of Australia and New Zealand, New Guinea, and the Pacific Islands (Hymenoptera: Crabronidae), Proceedings of the California Academy of Sciences 65, pp. 1-584 : 462-465

Pison translucens Pulawski , species nova

Figures 1126-1133.

NAME DERIVATION.– Translucens, Latin for translucent; with reference to the translucent apical lamella of male tergum VII.

RECOGNITION. – Pison translucens has three submarginal cells, the second recurrent vein interstitial with the second intersubmarginal vein or nearly so, tegula partly impunctate and asetose, and setae appressed on tergum I. The gaster is all black (except tergum VII apically in the male), but the apical depressions of terga are brown and tergal setae are golden, forming golden fasciae on the apical depressions.

The female is mainly characterized by the absence of specializations found in other species: the clypeus is the usual shape, with a roundly arcuate lamella that is longer mesally than laterally, with a deeply concave free margin of the lateral clypeal section, and the surface not concave above the lamella, the ocellocular distance is 0.9-1.0 × hindocellar diameter, the gena is punctate and setose on each side of the oral fossa (setae sinuous, as long as 1.5 × midocellar diameter), the tegula is largely impunctate and asetose, the propodeum is ridged and punctate on the dorsum and has a carina separating dorsum and posterior surface from the side and extending from the gastral socket area toward the spiracle, and sterna II-IV are punctate throughout. It closely resembles on the inner mandibular margin (tooth absent in P. translucens ); also, the setae of the lower gena are curved apically in P. decipiens , while sinuous in P. translucens , and the ocellocular distance is 0.9-1.1 × midocellar diameter in P. translucens , but 1.1-1.5 in P. impressiventre .

The male is easily recognized by its translucent, medially narrowed lamella along the apical margin of tergum VII (Fig. 1128), in combination with the setae of lower gena sinuous, as long as 1.0-1.2 × midocellar diameter. The shape of sternum VIII is a useful subsidiary recognition feature (Fig. 1129). The male of P. aridum is similar, but differs in having the posterior margin of the black, sclerotized portion of tergum VII (adjacent to the yellowish portion) acutely angulate ( Fig. 114 ), and the genal setae straight, shorter than midocellar diameter; also the shape of sternum VIII is different (compare Figs. 1129 and 115).

DESCRIPTION.– Frons dull, punctures of upper frons (above midfrontal carina) compressed against each other. Occipital carina joining hypostomal carina. Gena in female narrow in dorsal view. Labrum shallowly emarginate. Anteromedian pronotal pit transversely elongate, about as long as midocellar diameter. Propleuron closely punctate in most specimens, but punctures several diameters apart in outer half in some. Scutum not foveate along flange, without longitudinal ridges adjacent to posterior margin; scutal punctures well defined, interspaces linear. Tegula enlarged, extending slightly beyond anterior margin of axilla, its outer margin straight or slightly convex (except anteriorly and posteriorly). Mesopleural punctures less than one diameter apart. Postspiracular carina present but ill defined, varying from about half diameter to entire diameter of midocellus. Metapleural sulcus costulate between dorsal and ventral metapleural pits. Propodeum with irregular longitudinal carina separating side from dorsum and posterior surface and extending from gastral socket area toward spiracle; dorsum with short transverse ridges emerging from middle carina, otherwise closely punctate, interspaces merging into irregular ridges; side finely, irregularly ridged, punctate between ridges; posterior surface ridged, punctate between ridges. Posteroventral forefemoral surface finely punctate, punctures about one diameter apart. Hindcoxal dorsum with outer margin sharply carinate (except basally). Punctures of tergum I less than one diameter apart. Sterna punctate throughout.

Setae silvery on head and thorax except golden on scutum, also golden on propodeal dorsum and terga (forming conspicuous fasciae on apical depressions), golden or with golden tinge on upper frons; both appressed and erect on frons and scutum; appressed on tergum I; oriented laterally above dorsal end of midfrontal carina and oriented ventrally beneath midocellus, partially concealing integument on clypeus in female, completely so in male (except lamella); setae of lower gena sinuous, as long as 1.0-1.2 × midocellar diameter.

Head, thorax, propodeum, and gaster black (apex of tergum VII yellowish in male); mandible ferruginous except black basally and apically; apical depressions of terga brown. Femora in female all black or apex of hindfemur ferruginous; hindtibia ferruginous, also midtibia in many specimens and foretibia in some; tarsi all or largely black, all ferruginous in some specimens. In male forefemur black or ferruginous in apical third, midfemur black or ferruginous in apical half, hindfemur ferruginous (only apically so in some specimens); tibiae ferruginous or foretibia black; tarsi ferruginous.

♀.– Upper interocular distance equal to 0.62-0.64 × lower interocular distance; ocellocular distance equal to 0.9-1.0 × hindocellar diameter, distance between hindocelli equal to 1.0-1.3 × hindocellar diameter; eye height equal to 0.82-0.87 × distance between eye notches. Free margin of clypeal lamella obtusely arcuate, slightly more than in P. angulare (compare Figs. 1126 and 43). Dorsal length of flagellomere I 2.2-2.4 × apical width, of flagellomere IX 1.0-1.1 × apical width. Mandible: trimmal carina with small incision shortly beyond midlength. Length 9.5-11.3 mm; head width 3.0- 3.5 mm.

♂.– Upper interocular distance equal to 0.90-0.96 × lower interocular distance; ocellocular distance equal to 1.6 × hindocellar diameter, distance between hindocelli equal to 1.5 × hindocellar diameter; eye height equal to 0.86-0.88 × distance between eye notches. Middle clypeal lobe markedly convex ventrally, base of lamella markedly below main clypeal surface; free margin of lamella sharply angulate. Dorsal length of flagellomere I 1.9-2.0 × apical width, of flagellomere X 0.9-1.0 × apical width. Tergum VII with translucent, medially narrowed lamella along apical margin, posterior margin of black, sclerotized portion of tergum (adjacent to lamella) broadly, obtusely tridentate (Fig. 1128). Apical margin of sternum VII broadly, shallowly concave; sternum VIII with impunctate, glabrous swelling basomedially, its apical margin slightly convex medially and slightly concave laterally; apicolateral arm broadly, obtusely angulate (Fig. 1129); lateral view: Fig. 1130. Genitalia: Figs. 1131, 1132. Length 8.8-11.6 mm; head width 2.9-3.3 mm.

GEOGRAPHIC DISTRIBUTION (Fig. 1133).–

All Australia except Tasmania and Victoria .

RECORDS.– HOLOTYPE: ♂, AUSTRALIA: South

Australia: Wilpena in Flinders Ranges National

Park at 31°31.7ʹS 138°36.2ʹE, 22 Dec 2010,

V. Ahrens and W.J. Pulawski ( SAM).

PARATYPES: AUSTRALIA: New South Wales :

13 mi. N Broken Hill, 3 Apr 1963, K. Dansie (2 ♀,

1 ♂, SAM); 17 km NE Broken Hill at 31°47ʹS

141°31ʹE, J. Carpenter and A. Davidson (1 ♂,

AMN); Coleambally Irrigation Area at 34°56ʹ10ʺS

145°46ʹ51ʺE, 14 Dec 1998, L. Wilkie and S. Pride

(1 ♂, AMS); 1 km W Eumungerie at 31°56.7ʹS

148°36.9ʹE, 15, 19, and 20 Dec 2009, V. Ahrens and

W.J. Pulawski (3 ♂, CAS); Fowlers Gap Research FIGURE 1133. Collecting localities of Pison translucens Station at 31°05ʹS 141°42ʹE, 29 Nov – 2 Dec 1981, Pulawski, sp. nov.

I.D. Naumann and J.C. Cardale (4 ♀, 2 ♂, ANIC) ; Menindee , 2 Dec 1992, N.W. Rodd (1 ♀, AMS) ; Springs Creek 68 km SW Wilcannia at 31°44ʹS 142°41ʹE, 29 Nov 1981, J.C. Cardale and I.D. Naumann (1 ♀, 1 ♂, ANIC) ; Warrensburg National Park , 20 Dec 1987, M.E. Irwin (1 ♀, UCD) ; 87 km E Wilcannia at 31°42.8ʹS 144°08.6ʹE, V. Ahrens and W.J. Pulawski , 21 Dec 2011 (10 ♀, 61 ♂, CAS) and 23 Dec 2011 (18 ♀, 65 ♂, CAS; 1 ♀, 1 ♂, NHMW) ; Warrumbungle National Park at 31°16ʹS 148°57ʹE, 17 Dec 1995, M.E. Irwin (1 ♀, 1 ♂, MNKB) . Northern Territory: 30 km WNW Alice Springs at 23°32ʹS 133°38ʹE, 7 Oct 1978, J.C. Cardale (2 ♂, ANIC) ; 32 km WNW Alice Springs at 23°36ʹS 133°35ʹE, 8 Oct 1978, J.C. Cardale (6 ♂, ANIC) ; Trephina Gorge Nature Park at John Hayes Rockhole at 23°32ʹS 134°21ʹE, 10 Apr 1981, M. Malipatil and J. Hawkins (1 ♂, NTM) ; Trephina Gorge Nature Park at Waterhouse Range 39 km SSW Alice Springs at 23°59ʹS 133°38ʹE, 11 Oct 1978, J.C. Cardale (2 ♂, ANIC) ; West McDonnell National Park ca 3 km W road to Simpson Gap at 23°41.8ʹS 133°41.7ʹE, 27 Jan – 27 Feb 2008, Ch.M. Palmer (1 ♂, NTM) . Queensland: Coen at 13°57ʹS 143°12ʹE, 16 Aug – 13 Sept 1993, P. Zborowski and S. Shattuck (1 ♀, ANIC) and 17 Dec 1993 – 13 Jan 1994, P. Zborowski and E.D. Edwards (1 ♀, ANIC) ; Hann River at 15°11ʹS 143°52ʹE, 20 Mar – 24 Apr 1994, P. Zborowski and G. Turner (1 ♀, ANIC) ; 48 km E Mount Surprise at 18°09.0ʹS 144°43.6ʹE, V. Ahrens and W.J. Pulawski , 21 Nov 2012 (1 ♀, 12 ♂, CAS) , 22 Nov 2012 (3 ♀, 16 ♂, CAS) ; 9 km NW Mount Tozer at 12°44ʹS 143°08ʹE, 30 June – 7 July 1986, J.C. Cardale (1 ♀, ANIC) ; 2 km N Rokeby , 17 Dec 1993 – 17 Jan 1994 (1 ♀, ANIC) ; Split Rock at 15°39ʹS 144°31ʹE, 27 Apr – 28 May 1993, P. Zborowski and A. Roach (1 ♀, ANIC) , and 28 May – 26 June 1993, P. Zborowski and I.D. Naumann (1 ♀, ANIC) . South Australia: Calperum Station 16 km N Renmark at 34°02.9ʹS 140°42.2ʹE, 4 Dec 2010, V. Ahrens and W.J. Pulawski (1 ♂, CAS) ; Calperum Station 79 km N Renmark at 33°31ʹS 140°24ʹE, 11 Oct – 9 Nov 1995, K. Pullen (1 ♀, ANIC) ; 8 km E Ceduna at 32°07.8ʹS 133°46.0ʹE, 8 Jan 2011, V. Ahrens and W.J. Pulawski (2 ♀, 1 ♂, CAS) ; Chowilla Game Reserve 24 air km N Renmark at 33°58.0ʹS 140°48.8ʹE, 5 Dec 2010, V. Ahrens and W.J. Pulawski (1 ♂, CAS) ; 43 km NNE Cowell at 33°20ʹS 137°06ʹE, 28 Nov 1992, I.D. Naumann and J.C. Cardale (1 ♂, ANIC) ; Dingly Dell Camp on Oraparina Creek at 31°21ʹS 138°42ʹE, I.D. Naumann and J.C. Cardale , 4 Nov 1987 (4 ♂, ANIC) , 4-10 Nov 1987 (3 ♂, ANIC) , and 7 Nov 1987 (4 ♂, ANIC) ; Gawler National Park at 32°35.1ʹS 135°26.3ʹE, V. Ahrens and W.J. Pulawski , 5 Jan 2011 (1 ♀, 11 ♂, CAS) and 7 Jan 2011 (1 ♀, 2 ♂, CAS) ; Gawler National Park at 32°35.4ʹS 135°21.1ʹE, 7 Jan 2011, V. Ahrens and W.J. Pulawski (2 ♀, 10 ♂, CAS) ; 28 km S Gladstone , 11 Jan 1982, R.W. Thorp (1 ♀, UCD) ; 9.7 km N Hawk- er, 1 Mar 1972, E. Matthews (1 ♀, SAM) ; 10 km NNW Penong at 31°50.3ʹS 132°57.9ʹE, V. Ahrens and W.J. Pulawski , 16 Jan 2011 (5 ♀, 2 ♂, CAS) and 18 Jan 2011 (6 ♀, 7 ♂, CAS) ; Port Clinton Conservation Park at 34°09.4ʹS 138°03.2ʹE, 14 Dec 2010 (1 ♀, 4 ♂, CAS) and 16 Dec 2010 (2 ♀, 6 ♂, CAS) , V. Ahrens and W.J. Pulawski; 19 km N Renmark at 34°00ʹS 140°47ʹE, R K. Pullen , 10 Oct – 9 Nov 1995 (1 ♂, ANIC) and 8 Nov – 4 Dec 1995 (1 ♀, ANIC) ; Sheoak Hill Conservation Reserve 38 km NNW Coville at 33°22.6ʹS 136°47.4ʹE, 29 Dec 2010, V. Ahrens and W.J. Pulawski (1 ♀, 6 ♂, CAS) ; Wilpena in Flinders Ranges National Park at 31°31.7ʹS 138°36.2ʹE, V. Ahrens and W.J. Pulawski , 21 Dec 2010 (1 ♀, 1 ♂, CAS) , 22 Dec 2010 (2 ♀, 8 ♂, CAS) , 23 Dec 2010 (2 ♂, CAS) , 27 Jan 2011 (1 ♀, 5 ♂, CAS) , and 28 Jan 1011 (1 ♂, CAS) ; 3 km ENE Wilpena at 31°31.0ʹE 138°36.6ʹE, V. Ahrens and W.J. Pulawski , 23 Dec 2010 (2 ♂, CAS) , 26 Jan 2011 (1 ♀, 2 ♂, CAS) and 27 Jan 2011 (2 ♀, 7 ♂, CAS) ; 34 km S Wilpena , 4 Jan 1980, R.M. Bohart (1 ♀, 13 ♂, UCD) ; Wirreanda Creek 28 km SW Hawker at 32°05.9ʹS 138°17.7ʹE, 26 Jan 2011, V. Ahrens and W.J. Pulawski (1 ♂, CAS) . Western Australia: 55 km N Esperance , 25 Nov 1979, R.M. Bohart (1 ♀, UCD) ; Ethel Creek at 22°54ʹS 120°10ʹE, 28 Nov 1971, N.S. Expedition IV (2 ♂, WAM) ; 12 km NE Giles in Rawlinson Range at 25°02ʹS 128°18ʹE, 14 Jan 1990, T.F. Houston (1 ♀, WAM) ; Irrunytju Rockhole in Hinckley Range at 26°07ʹS 128°58ʹE, 19-21 Jan 1990, T.F. Houston and M.S. Harvey (1 ♂, WAM) ; Kathleen Valley , 1963, T. Moriarty (1 ♀, WAM) ; Karijini National Park at 22°30.1ʹS 118°24.4ʹE, 21-23 May 2003, M.E. Irwin and F.D. Parker (1 ♂, CAS) ; 28 mi. E Leonora , 18 Sept 1962, E.S. Ross and D.Q. Cavagnaro (3 ♀, 19 ♂, CAS) ; Mount Gibson Station , 26 Feb 2000, S.R. Patterson (1 ♂, WAM) ; Nanutarra - Wittenoom road 25 km NE railway crossing at 22°21ʹ21ʺS 117°54ʹ16ʺE, 16-20 Feb 2005, M. Bulbert and S. Ginn (1 ♀, AMS) ; 158 km S Newman (= 9 km N Kumarina Roadhouse ) at 24°37.8ʹS 119°36.8ʹE, 18-21 May 2003, M.E. Irwin and D.D. Parker (1 ♂, CAS) ; Thomas River 23 km WNW Mount Arid at 33°51ʹS 123°00ʹE, 4-7 Nov 1977, M.S. Upton (1 ♂, ANIC) ; Youanmi at 28°37ʹS 118°50ʹE, 13 Oct 1974, A.M. and M.J. Douglas (2 ♂, WAM) ; Yundamindra Homestead at 29°15ʹS 122°06ʹE, 16 Mar 1979, T.F. Houston (2 ♂, WAM) .

Figures

FIGURES 114–117. Pison aridum Pulawski, sp. nov., male. (114) Male tergum VII; (115) Sternum VIII (ventral surface); (116) Genitalia in dorsal view; (117) Genitalia in lateral view. FIGURE 118. Collecting localities of Pison aridum Pulawski, sp. nov.