Bellascelis pecki, Gimmel & Leschen, 2022

Gimmel, Matthew L. & Leschen, Richard A. B., 2022, Revision of the genera of Picrotini (Coleoptera: Cryptophagidae: Cryptophaginae), Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 62 (1), pp. 61-109 : 72

Bellascelis pecki sp. nov.

( Figs 9 , 99 )

Type material. Hඈඅඈඍඒඉൾ: male ( ANIC), labeled: “Mary Cairn Cross Pk, QLD 7kmSE Maleny C. 900m 18 June-15 Aug. 1982 SPB40 S. & J. Peck // flight intercept trap Rainforest // 3 [handwritten in orange fine tip marker by J. Lawrence]”. Pൺඋൺඍඒඉൾඌ (21): AUSTRALIA: Nൾඐ SඈඎඍH Wൺඅൾඌ: Brindle Creek, Border Range NP, 28°22′S 153°05′E, ex pan trap, 3–14 October 1984, I. Naumann & J. Cardale (1, ANIC); Dorrigo NP, 30°22′S 152°45′E, Malaise trap/ethanol, 2–15 October 1984, I. Naumann & J. Cardale (1, ANIC); The Glade Area/Wonga Track, Dorrigo NP, 30°22′S 152°43′E, forest litter Berlesate, 13–15 November 1990, T. Weir (1, ANIC); Tooloom Plateau, 14 km W Urbanville, 28°29′S 152°24′E, ex pan trap, 15–21 February 1984, I.D. Naumann (1, ANIC); Wiangaree State Forest, 33 km NE Wiangaree, c. 1000 m, Nothofagus litter, 24 August 1982, S. & J. Peck (1, ANIC); Sheepstation Creek, 16 km NE of Wiangaree, 600 m, 13 June – 24 August 1982, S. & J. Peck (1 male dissected in glycerin, ANIC). Qඎൾൾඇඌඅൺඇൽ: 0.5 km N O’Reilly’s, dry rainforest, flight intercept trap, 1–4 April 1993, C. Carlton (5 [1 male dissected in glycerin], NZAC); Bare Rock, 2 km N Mt. Cordeaux, 28°02′S 152°23′E, 1100 m, flight intercept trap, 20 February – 4 April 1994, G. Monteith (2, QM); Mary Cairncross Park, 7 km SE Maleny, c. 900 m, rainforest, flight intercept trap, 18 June – 15 August 1982, S. & J. Peck (2, ANIC); Mt. Superbus summit, 1300 m, rainforest, pitfall trap, 8 February – 12 March 1990, Monteith, Thompson & Janetski (1, QM); Springbrook Repeater, 28°15′S 153°16′E, 1000 m, intercept trap, 9 January – 19 February 1995, G. Monteith (4, QM).

Diagnosis. This species may be distinguished from the other three known (but undescribed) putative species of Bellascelis by the presence of tempora on the head (visible in dorsal view), the relatively elongate body, and the presence of long, erect setae laterally on the elytra ( Fig. 9 ). Description. Length 1.30–1.60 mm. Color of head and pronotum dark reddish-brown, pronotum slightly darker; antennae reddish-brown, club somewhat lighter; elytra predominantly light reddish-brown, each elytron with subapical maculation consisting of a yellowish-brown circular spot surrounded by dark reddish-brown coloration ( Fig. 9 ); ventral surfaces dark brown to reddish-brown. Dorsal setae uniformly golden, vestiture converging to central point on pronotum, undulating on elytra, pronotum and elytra with long, sparse, erect setae along sides, elytra with erect setae on disc very sparse, about 2× as long as decumbent vestiture. Ventral surfaces with dense, recumbent setae; gula, genae, prosternum and hypomeron with coarse, dense punctation; prosternal process covered with dense, suberect setae; punctation of metaventrite as dense as that of prosternum, fine medially and coarse laterally; abdominal ventrites with punctation fine, denser than that of metaventrite.

Head with moderately coarse, dense, shallow punctation on frons, with smooth and shiny interspaces.Antennomere 2 globular, slightly longer than wide, antennomere 3 narrower, slightly longer than 2, antennomere 4 equal in width to 3, shorter than 3 and similar in length to 2; antennomere 11 much longer than 10, slightly shorter than 9 and 10 combined. Pronotal length/width ratio ~0.83, widest near middle, wider across posterior angles than across anterior angles; lateral edges slightly sinuate, convergent in anterior half, anterior angles slightly projecting, posterior angles projecting posterolaterally; pronotum with pair of short but distinct paramedial carinae midway between lateral bead and midline, flanking a shallow medial basal impression, posterior margin weakly sinuate, with truncate scutellar lobe; pronotal punctation similar to that of frons, punctures separated by about one puncture diameter or less, with smooth and shiny interspaces, punctures on central part of disc larger. Elytra about 1.64× longer than combined width, about 1.23× wider than pronotum at greatest width, about 2.41× longer than pronotum at greatest length; punctation fine, sparse on disc, punctures separated by about two puncture diameters, denser near basal margin; sutural stria absent; disc not impressed. Aedeagus ( Fig. 99 ) with tegminal strut absent, tegminal arms fused with a suture; parameres separate and articulated to phallobase, inner surface concave, length about 2× longer than wide; apices multisetose; attachment point to phallobase not constricted, interparameral process present; basipenis 3× longer than distipenis, without median carina; distipenis relatively short (about 1.2× longer than wide), outer rims crenulate, lateral lobes not widely separated, symmetrical; internal sac lacking sclerites.

Etymology. Patronymic for Stewart Peck, world renowned collector, biogeographer, and leiodid specialist.

Figures

Figs 1–9. Habitus of species of Picrotini. 1 – Agnetaria pilosella (Blackburn, 1891); 2 – Antarcticotectus rutilus (Broun, 1880); 3 – Antarcticotectus silvanus (Broun, 1880); 4 – Antarcticotectus tasmanicus (Blackburn, 1907); 5 – Antarcticotectus n. sp. 1 (New Zealand); 6 – Austroscelis gibbipennis (Blackburn, 1892); 7 – Austroscelis n.sp.1 (Australia:NSW, Vic); 8 – Austroscelis n.sp. 2 (Australia:WA); 9 – Bellascelis pecki sp.nov. Scale bars = 1 mm.

Figs 98–103.Aedeagus, dorsal view. 98 – Austroscelis gibbipennis (Blackburn, 1892); 99 – Bellascelis pecki sp. nov.; 100 – Cordosomatula magnabagishae sp. nov.; 101 – Humerocryptus n. sp. 1; 102 – Notocryptus australis (Redtenbacher, 1868); 103 – Orthoscelis transversus sp. nov. Abbreviations: aet = anterior extension of tegmen; as = apical serrations; bk = basal kink of internal sac; ep = endophallites; ics = inner concave surface; ip = interparameral plate; lf = lateral fold; os = ostium; pg = primary gonopore.