Isoparis cassidilis OPITZ, 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 : 1004-1005

Isoparis cassidilis OPITZ nov.sp. ( Figs 97 , 170 , 246 , 329 )

Holotype: ♂. Type locality: BOLIVIA: Santa Cruz, 3.7 km SSE Buena Vista, Hotel Flora & Fauna , 405 m, 5-15-XI-2001, 17°29.949'S 63°33.152'W, M. C. Thomas & B. Dozier, tropical transition forest ( FSCA). Paratypes: 2 specimens. Bolivia: Departamento de Santa Cruz, 3.7 km SSE

Buena Vista, Hotel Flora & Fauna , 17°29.949'S 63°33.152'W, 5-15-XI- 2001, 405 m, tropical transition forest, M. C. Thomas & B. Dozier ( WOPC). Brazil: Estado do Mato Grosso, Corumba ( MNHN).

D i a g n o s i s: The genus Isoparis OPITZ was described in 2017 ( OPITZ 2017). In this work, I described Isoparis virgulata from which I. cassidilis specimens differ by showing a more oblong pronotum, more fully developed pronotal tubercles, and the visible abdominal sternites II-IV each show a pair of small bursae.

D e s c r i p t i o n: Size: Length 4.3 mm; width 1.0 mm. Form: As in Fig. 329 . Color: Cranium and pronotum castaneous, pronotal disc with 3 black stripes; pterothorax brown; mesothorax, metathorax, and abdomen brown; elytra mostly castaneous, with yellow X-shaped marking; legs testaceous. Head: Eyes large, coarsely facetted, eye wider than frons (EW/FW 25/20); funicular antennomeres subfiliform ( Fig. 97 ), capitular antennomeres 9 and 10 triangular, antennomere 11 narrow ovate. Thorax: Pronotum ( Fig. 170 ) oblong, lateral tubercle well defined (PW/PL 65/74), disc coarsely punctate; elytral asetiferous punctures profusely distributed; (EL/EW 185/50). Abdomen: Pygidium quadrate / scutiform; aedeagus as in Fig. 246 .

Variation: Length 4.0-5.0 mm; width 1.3-1.8 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 Bolivian specimens were collected during November, at 430 m.

D i s t r i b u t i o n: This species is known from Bolivia and Brazil.

E t y m o l o g y: The trivial name, cassidilis, is a Latin noun with a meaning of "small bag"; with reference to the small paralateral saccular structures on sternites II-IV.

Figures

Figs 92-100: Antennae; (92) Pyticeroides desodes; (93) Ichnea cerinis; (94) Agnatis vaurieae; (95) Ampleris amazon; (96) Nepsudia guenda; (97) Isoparis cassidilis; (98) Pelonium atrigonatium; (99) Aphelocerus yaguare; (100) Madoniella selvanegra.

Figs 163-170: Pronota; (163) Artoadenus atrafinus; (164) Cregya triguttula; (165) C. biguttula; (166) Perilypus schusteri (167) Platynoptera potaro; (168) Pelonium erudiatum; (169) Parapelonides aodontus; (170) Isoparis cassidilis.

Figs 243-248: Aedeagi; (243) Pelonium falcatum; (244) Nepsudia guenda; (245) Katacompsus jubatus; (246) Isoparis cassidilis; (247) Pujoliclerus abditus; (248) Pujoliclerus ariquemes.

Figs 326-329: Habitus; (326) Cregya triguttata; (327) C. vicosa; (328) Eurycaulis anaxcis; (329) Isoparis cassidilis.