Pelonium implacide, Opitz, Weston, 2019

Opitz, Weston, 2019, Descriptions of new genera and new species of Western Hemisphere checkered beetles (Coleoptera, Cleroidea, Cleridae), Linzer biologische Beiträge 51 (2), pp. 959-1076 : 1010

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Pelonium implacide


Pelonium implacide OPITZ nov.sp. ( Figs 85, 87 View Figs 61-91 , 183 View Figs 179-193 , 242 View Figs 237-242 , 334 View Figs 334-337 )

Holotype: ♀. Type locality: PUERTO RICO: Ponce, Real Anón, Above Rio Inabón, 18°7' N 66°34'W, 28 June 2008. A second label reads: At blacklight in gap of mixed montane rain forest. A third label reads: O. H. Garrido, A. R. Perez-Asso, W. E. Steiner, J. M. Swearinge collectors ( USNM) GoogleMaps . Paratypes: 2 specimens. Puerto Rico: Municipality of Fajardo. El Verde Research Station , Spring 1964, G. Drewry ( MAIC) ; K 22 , NS El Verde, 26-IV-1970, A. Lavigne ( WOPC, 1) .

D i a g n o s i s: This is the only known Pelonium SPINOLA species from Puerto Rico whose specimens show corrugations on the pronotal and elytral discs.

D e s c r i p t i o n: Size: Length 8.5 mm; width 3.0 mm. Form: As in Fig. 334 View Figs 334-337 . Color: Cranium black; antenna bicolored, antennomeres 9 and 10 yellow, other antennomeres dark brown; prothoracic sternum black; pronotum castaneous, with gold-colored setal wisps; pterothorax black; elytra mostly castaneous, with lighter and darker regions, elytral apex yellow; legs bicolored, femora and tibiae black, tarsi yellow; abdomen mostly dark brown, apical sternites yellow. Head: Cranium coarsely punctate; antenna ( Figs 85, 87 View Figs 61-91 ) capitate, funicular antennomeres shorter towards capitulum, in female ( Fig. 87 View Figs 61-91 ) capitular antennomeres 9 and 10 with short collateral branch, in males ( Fig. 85 View Figs 61-91 ) capitular antennomeres 9 and 10 with long collateral branch, antennomere 11 ovoid; eyes large, coarsely facetted, eye twice wider than frons (EW/FW 55/25). Thorax: Pronotum ( Fig. 183 View Figs 179-193 ) quadrate (PW/PL 130/130), disc corrugated, with central fissure, lateral tubercles well developed; elytral disc corrugated, sculptured with large substriate asetiferous punctures that diminish near elytral apex (EL/EW 360/90). Abdomen: Pygidium transverse / scutiform; aedeagus as in Fig. 242 View Figs 237-242 .

Variation: Length 7.0- 8.5 mm; width 2.5-3.0 mm. Other than body size, the available specimens are quite homogeneous.

N a t u r a l H i s t o r y: The available specimens were collected during April and June.

D i s t r i b u t i o n: ThisspeciesisknownfromPuertoRico.

E t y m o l o g y: The trivial name, implacide, is a Latin adjective that stems from implacidus (= rough); with reference to the corrugated surface on the discs of the pronotum and elytra.


Michael A. Ivie


Smithsonian Institution, National Museum of Natural History