Escalonia loxleyae (McKeown) McKeown, 2017

Jin, Mengjie, Ślipiński, Adam, Keyzer, Roger De & Pang, Hong, 2017, Review of Australian genera Tessaromma Newman and Phlyctaenodes Newman with description of a new genus and species (Coleoptera: Cerambycidae: Cerambycinae: Phlyctaenodini), Zootaxa 4277 (1), pp. 67-85 : 81

Escalonia loxleyae (McKeown) comb. nov.

( Figures 5A–C, 5 I–L)

Tessaromma loxleyae McKeown, 1942: 83 . TL: New South Wales, Lugarno (AM, examined).— Ślipiński & Escalona 2016: 298.

Description. Length 6–10mm. Body slender, integument light brown with dark irregular markings; dorsum with sparse, relatively long bristles; elytra with raised costae forming characteristic pattern with first costa making sharp loop and joining second costa ( Fig. 5A ). Ventral side darker on head and metaventrite (Fog. 5B), with short adpressed hairs. Head densely punctate with short adpressed setae; frontoclypeal suture well-developed; clypeus weakly concave. Eyes large, expanding to the ventral side, strongly emarginate near antennal insertion, weakly emarginate near mandible articulation. Antenna extending slightly beyond elytral apices; antennomeres bicolored, scape relatively long, pedicel subquadrate, antennomere 4 shorter than antennomeres 3 and 5. Pronotum transverse, finely punctate, shiny, yellowish brown with darker brown markings on the surface. Scutellum hairless and shiny. Elytra truncate apically, randomly bearing relatively long bristles on the dorsum; disc with 3 irregular raised costae, the external one and internal one short, only on the middle one third of elytra, and the central one long, divided into two at base of elytra. Elytra coarsely and deeply punctate in basal half and at lateral side, relatively flat and shiny at apex. Basal half of elytra dark brown with raised costae light yellow, while apical half of elytra yellowish brown with only some raised costae turning dark. Legs slender, pale yellow with some dark parts on femur. Profemur with single tooth on anterior face, meso- and metafemora each with 2 rows of teeth on the ventral side, external row with single weak tooth; internal one with two strong teeth merging into a big one, and a relatively small one near coxa.

Types. “Holotype | Tessaromma loxleyae McKeown | Lugarno, N.S.W., July 1940, Miss Loxley | Australian Museum K289469”(AM, holotype).

Other material examined. Queensland: Mount Wunburra, 30.xii.1994, R. de Keyzer, A. Sundholm (1, RDKC) ; Pistol Gap , Byfield, 10.i.1970, at light, dry sclerophyll forest, Britton, Holloway, Misko (1, ANIC) ; Mount Spec , i.1964, J.G. Brooks (1, ANIC) . New South Wales: Wauchope , 72km W of Oxley Highway, 4.i.1970, at light, Britton, Misko (1, ANIC) ; Ashfield , 13.xii.1980, MV, D.A. Doolan (1, AM); Bundeena, 14.xii.1958, D.A. Doolan (1, AM); West Head, Ku-ring-gai Chase, 26.i.1971, MV lamp, D.K. McAlpine (1, AM); Bawley Point, 26.i.1998, D. Rentz, K. McCarron (1, ANIC). Distribution (Fig. 6B). Widely distributed from central New South Wales to northern Queensland.

Remarks. This species is easily recognised by its elytral costae 1 and 2 joined shortly behind scutellum and both pronotum and elytra bearing extensive and irregular dark markings ( Fig. 5A ).

Figures

FIGURE 5. A – C, I – L: Escalonia loxleyae (McKeown); J: median lobe, K: tegmen, I: sternite VIII, L: tergite VIII. D – E: Escalonia surprise sp. nov. (Holotype, ANIC); F: Escalonia carolinae sp. nov. (Holotype, ANIC); G – H: Zoedia intricata Gressitt (Holotype, BPBM).