Medeopteryx clipeata, Ballantyne & Lambkin, 2013

Ballantyne, Lesley A. & Lambkin, Christine L., 2013, Systematics and Phylogenetics of Indo-Pacific Luciolinae Fireflies (Coleoptera: Lampyridae) and the Description of new Genera, Zootaxa 3653 (1), pp. 1-162: 85

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Medeopteryx clipeata

sp. nov.

Medeopteryx clipeata   sp. nov.

[ Figs 147–153 View FIGURES 147–153 ]

Holotype. Male. NEW GUINEA: Ruka , 9 m, 12.viii.1964, H. Clissold, light trap ( BPBM).  

Paratypes (42). Same locality as holotype, 18 males. 8.51S, 143.11E GoogleMaps   , Western District , Oriomo River, 3 m, light trap, H. Clissold   , 1.viii.1964, 6 males; 4.viii.1964, 2 males; 6.viii.1964, 14 males; 16.viii.1964, 2 males ( BPBM)   .

Diagnosis. Pronotum orange, elytra dark brown; distinguished from all other Medeopteryx   by the loss of the anteromedian area of LO in V7 ( Fig. 147 View FIGURES 147–153 ). Female and larva unknown.

Male. 6.5–7.0 mm long. Colour: pronotum, MS and MN orange; elytra dark brown (under direct microscopic examination the illumination makes the elytral pubescence appear golden thus masking the base elytral colour); head dark brown with a median triangular area on vertex dingy orange; labrum orange; antennae and palpi dark brown; ventral aspect of thorax and abdominal V2–4 and basal fourth of V5 light brown (ventral surface of metathorax sometimes dingy orange); legs orange except tibiae 1, and tarsi of all legs dark brown; V6 and 7 pale cream in area of LO, yellowish elsewhere; all tergites pale brown; dorsally reflexed margins of Vs cream. Pronotum: 1.0– 1.2 mm long; 1.4–1.6 mm wide; subparallel sided; punctures small, shallow, separated by their width. Head: moderately depressed between eyes; GHW 1.2–1.3 mm; SIW 0.3 mm; ASD subequal to ASW. Antennae elongate, slender, FS 7–9 not obviously shorter than remaining FS. Elytron ( Fig. 153 View FIGURES 147–153 ): apex rounded. LO ( Figs 147, 149, 151 View FIGURES 147–153 ): retracted from anteromedian area of V7 (the cuticular area extending from the MPP of V7 attaches in this area, as do longitudinal muscles visible through cuticle; Fig. 150 View FIGURES 147–153 ). Abdomen: MPP projecting posteriorly a little beyond PLP and projecting ventrally ( Fig. 147, 149, 151 View FIGURES 147–153 ), terminating in fine paired projections. T8: ventral surface with lateral ridges and finely pointed, forwardly projecting flanges. Aedeagus: ( Fig. 152 View FIGURES 147–153 ) with apex of median lobe pointed, and bearing an acute ridge on dorsal surface level with the incurved tips of LL.

Remarks. The specific name clipeata   (clipeatus, a um, Latin = bearing a shield) refers to the shield shaped area in V7 devoid of LO. This new species superficially resembles M. antennata   . The functional significance of the modifications to V7 and the reduction in LO area are discussed subsequently.