Platynotum foveosetosa, Bartlett & Lambkin, 2022

Bartlett, Justin S. & Lambkin, Christine L., 2022, Australian Opilonini (Coleoptera: Cleridae: Clerinae) part I: A revised taxonomy for Australian Opilo Latreille including descriptions of new genera and species, Zootaxa 5220 (1), pp. 1-81 : 77

Platynotum foveosetosa sp. nov.

ZooBank registration: urn:lsid:zoobank.org:act:E1C4C71E-EEB0-458C-B70A-51E4F8D7721E

( Figs 24 , 64 , 100 , 136 , 179 ; Map 2)

HOLOTYPE (♁): Western Australia: WA: Weelhamby Lake, west MO11-2 lake floor. wet pitfalls, 29°11′01″S 116°27′32.2″E (GPS) 6 Oct 2002 – 9 Jan 2003 CALM Wheatbelt Biodiversity Survey ( WAM E88396 ) . PARATYPE (1): Western Australia: WA: Weelhamby Lake, west MO11-2 lake floor. wet pitfalls, 29°11′01.7″S 116°27′32.2″E (GPS) 9 Jan 2003 – 18 March 2003 CALM Wheatbelt Biodiversity Survey (1 ♀, WAM E88392 ) .

Diagnosis. Pronotum round laterally, disc punctate; elytra light brown with poorly defined orange to yellowish markings, punctation lacking nodules, 8 th stria beginning near base, punctures of similar diameter along elytral length, striate to apex (some striae terminating at apical macula), single seta of anterior puncture rim up to twice puncture diameter in length; legs yellow (except tibiae sometimes brownish and tarsi brown); tarsi with three ventral tarsal pads.

Description. Habitus: Fig. 179 . Total length: 7.7–10.2 mm (holotype, 7.7 mm). Head: Cranium dark brown (almost black), clypeus and supra-antennal elevations slightly paler, anteclypeus semi-transparent orange, antennae, labrum and palpi orange to orange-brown; eyes separated by 2–2.13 eye widths (holotype, 2.13); vertex and frons with dense network of irregular-shaped punctation, only anterior margin of clypeus impunctate, epistomal suture reasonably indistinct; genae and submentum wrinkled; exterior margins of terminal palpomeres about 1.5 times (maxillae) and 2.5 times (labium) the length of inside edges; antennae almost reaching base of pronotum; head including eyes well-vested with long pale erect setae, frons also with numerous medially-directed setae. Prothorax: Dark brown to reddish-brown, venter light brown; pronotum 1.1–1.2 times longer than wide (holotype, 1.1), sides rounded, pronotal arch very slightly broader than middle; subapical depression v-shaped though not well-marked, a short sulcate central impression at apex of v-shape; lateral sulci apparently absent, disc reasonably heavily punctate, surface glabrous between individual punctures, base bi-tumescent (tumescence punctate), area either side of central impression flat (not tumescent); disc reasonably dense with long erect setae plus shorter multi-directional or anteriorly-directed setae. Pterothorax: Ventrites light brown, vested with numerous short and occasional long setae; elytra light brown with paler (orange to yellowish) indistinct markings (each elytron with a poorly-defined transverse fascia near middle and a poorly-defined apical macula which may or may not be joined together, the colouration/ patternation of the humeral area is even more vaguely-defined); length to width ratio 2.5–2.6:1 (holotype, 2.5:1); 8 th stria beginning near base (after first or second puncture of 7 th stria), some striae terminating or merging into others near start of apical macula, punctures lacking internal nodules, punctures of similar diameter along most of elytral length, epipleurae extending almost to apices, extreme apices weakly turned outward; interstriae smooth, at base about as wide as puncture diameter, interstriae with long erect setae and shorter setae with a slight posterior lean, (generally with several shorter setae for every long seta), intrafoveal setae very long, about twice the diameter of a puncture ( Fig. 24 ). Legs: Coxae, femora and yellow, tibiae yellow or infused with brown, longitudinal tibial carina brown, tarsi brown, ventral tarsal pads yellowish; all femora of comparable thickness. Abdomen: Ventrites yellowish-brown. Male genitalia: Tegmen ( Fig. 64 ) needle-like, broad at bend of tegminal arms, evenly tapering to parameroid lobes, the latter narrow acuminate and conspicuously bent laterally, dorsal sinus short, about threequarters tegmen length, ventral sinus shorter than dorsal sinus, tegminal arms gradually taperd toward apodeme and joined near spatulate base; median lobe ( Fig. 100 ) simple with an apical process; pygidium as in Fig. 136 .

Etymology. The specific epithet foveosetosa (from Latin ‘fovea’ meaning hole and, Latin ‘seta’ meaning bristle), refers to the single rearwards projecting setae of the anterior rim of elytral punctures, which are notably longer than those of any other species treated in this revision.

Biology. Collection in pitfall traps implies ground-dwelling behaviour.

Distribution (Map 2). Platynotum foveosetosa sp. nov. is known only from Weelhamby Lake, near Koolanooka, Western Australia.

Figures

FIGURES 12–26. (12) Notopilo variipes elytra, detail showing foveate punctures with conspicuous lateral nodules; (13) Notopilo congruus elytra, detail showing foveate punctures without lateral nodules; (14) Ancyropilus monteithi elytra, detail showing densely setose intervals; (15) Infectostriatus absentis (paratype) elytra, eighth & ninth elytral stria absent; (16) Notopilo obesus (holotype) elytra, eighth & ninth elytral stria intact; (17) Platynotum bulli (paratype), flat pronotal disc (lateral view); (18) Culcipternotus mareebensis (paratype) tarsus, with four ventral pads; (19) Notopilo reduncus tarsus, with three ventral pads; (20) Olesterus australis eye, finely-facetted; (21) Notopilo confusus eye, coarsely-facetted; (22) Monilonotum pascoei elytra, detail showing intrafoveal seta apparently absent; (23) Ancyropilus brigalowae (paratype) elytra, detail showing short intrafoveal seta; (24) Platynotum foveosetosa (holotype) elytra, detail showing very long intrafoveal seta; (25) Notopilo reduncus elytra, showing puncture rows (striae) terminating before apex; (26) Platynotum femorale elytra, showing elytral puncture rows terminating mostly near apex.

FIGURES 48–65. Tegmina, dorsal: (48–51) Notopilo, cambageicola species group—(48) Notopilo cambageicola, paratype; (49) Notopilo interfabulatus, paratype; (50) Notopilo lawnhillensis, paratype; (51) Notopilo tanybasilaris, holotype; (52) Notopilo congruus (congruus species group); (53) Notopilo reduncus (reduncus species group); (54–56) Notopilo, variipes species group—(54) Notopilo brevistriatus, paratype; (55) Notopilo gerstmeieri, holotype; (56) Notopilo variipes; (57–60) Notopilo, unplaced to species group—(57) Notopilo confusus, holotype; (58) Notopilo elstoni, holotype; (59) Notopilo katherinensis, holotype; (60) Notopilo obesus, paratype; (61) Platynotum bulli, paratype; (62) Platynotum culgoense, holotype; (63) Platynotum femorale; (64) Platynotum foveosetosa, holotype; (65) Platynotum gracile, holotype (scale bars: 0.5 mm).

FIGURES 66–101. Median lobes: (66) Ancyropilus brigalowae, paratype; (67) Ancyropilus emmotti, holotype; (68) Ancyropilus exossuarius, paratype; (69) Ancyropilus monteithi, holotype; (70) Ancyropilus noonbahensis, holotype; (71) Ancyropilus packsaddlensis, holotype; (72) Ancyropilus simplex, paratype; (73) Ancyropilus tricolor, holotype; (74) Ancyropilus hornensis, paratype; (75) Culcipternotus mareebensis, paratype; (76) Infectostriatus absentis, holotype; (77) Infectostriatus differens, holotype; (78) Monilonotum bunyense, paratype; (79) Monilonotum pascoei; (80) Monilonotum sundholmi, paratype; (81–85) Notopilo, beswickensis species group—(81) Notopilo beswickensis, holotype; (82) Notopilo calicis, paratype; (83) Notopilo tompricensis, holotype; (84) Notopilo xanthoimprocerus, paratype; (85) Notopilo xanthoprolatus, holotype; (86–88) Notopilo, cambageicola species group—(86) Notopilo cambageicola, paratype; (87) Notopilo interfabulatus, paratype; (88) Notopilo tanybasilaris, paratype; (89) Notopilo congruus (congruus species group); (90) Notopilo reduncus (reduncus species group); (91–93) Notopilo, variipes species group—(91) Notopilo brevistriatus, paratype; (92) Notopilo gerstmeieri, holotype; (93) Notopilo variipes; (94–96) Notopilo, unplaced to species group—(94) Notopilo elstoni, holotype; (95) Notopilo katherinensis, holotype; (96) Notopilo obesus, paratype; (97) Platynotum bulli, paratype; (98) Platynotum culgoense, holotype; (99) Platynotum femorale; (100) Platynotum foveosetosa, holotype; (101) Platynotum gracile, holotype (scale bars: 0.5 mm).

FIGURES 102–137. Male pygidiae: (102) Ancyropilus brigalowae, paratype; (103) Ancyropilus emmotti, holotype; (104) Ancyropilus exossuarius, paratype; (105) Ancyropilus monteithi, holotype; (106) Ancyropilus noonbahensis, holotype; (107) Ancyropilus packsaddlensis, holotype; (108) Ancyropilus simplex, paratype; (109) Ancyropilus tricolor, paratype; (110) Ancyropilus hornensis, paratype; (111) Culcipternotus mareebensis, paratype; (112) Infectostriatus absentis, holotype; (113) Monilonotum doddi; (114) Monilonotum pascoei; (115) Monilonotum sundholmi, paratype; (116–120) Notopilo, beswickensis species group—(116) Notopilo beswickensis, holotype; (117) Notopilo calicis, paratype; (118) Notopilo tompricensis, holotype; (119) Notopilo xanthoimprocerus, paratype; (120) Notopilo xanthoprolatus, holotype; (121–124) Notopilo, cambageicola species group—(121) Notopilo cambageicola, paratype; (122) Notopilo interfabulatus, paratype; (123) Notopilo lawnhillensis, paratype; (124) Notopilo tanybasilaris, holotype; (125) Notopilo congruus (congruus species group); (126–128) Notopilo, variipes species group—(126) Notopilo brevistriatus, paratype; (127) Notopilo gerstmeieri, holotype; (128) Notopilo variipes; (129–132) Notopilo, unplaced to species group—(129) Notopilo confusus, holotype; (130) Notopilo elstoni, holotype; (131) Notopilo katherinensis, holotype; (132) Notopilo obesus, paratype; (133) Platynotum bulli, paratype; (134) Platynotum culgoense, holotype; (135) Platynotum femorale; (136) Platynotum foveosetosa, holotype; (137) Platynotum gracile, holotype (scale bars: 0.5 mm).

FIGURES 174–180. Habitus: (174–175) Notopilo, unplaced to species group (continued)—(174) Notopilo katherinensis, holotype; (175) Notopilo obesus, paratype; (176) Platynotum bulli, holotype; (177) Platynotum culgoense, paratype; (178) Platynotum femorale, lectotype (of Opilo femoralis); (179) Platynotum foveosetosa, holotype; (180) Platynotum gracile, holotype (scale bars: 1.0 mm).