Chariessa ramicornis Perty

Opitz, Weston, 2017, Classification, natural history, and evolution of the subfamily Peloniinae Opitz (Coleoptera: Cleroidea: Cleridae). Part VIII. Systematics of the checkered beetle genus Chariessa Perty, Insecta Mundi 2017 (574), pp. 1-42 : 25

Chariessa ramicornis Perty

Figures 14, 15 , 19, 23, 32, 48, 63, 70.

Chariessa ramicornis Perty, 1932: 109 . Lectotype. Gender not known. Type locality: Sebastianopolin (= Brazil, Sâo Paulo, Sebastionópolis do Sul ) (ZSMC).

Diagnosis. In members of this species the elytra are mostly dark blue; the disc shows transverse fascia, one on the anterior margin and the other behind the middle.

two yellow

Redescription. Size: Length 10.5 mm; width 5.0 mm. Form: As in Fig. 48 . Mouthparts testaceous, except mandibles brown; antennae bicolored, capitulum black, remainder testaceous; cranium and pronotum black, with a bluish luster; mesothorax castaneous, pterothorax, legs, and abdomen testaceous; mesoscutellum black; elytra mostly black, with a bluish luster, with two narrow fasciae, one at anterior margin, the other behind middle. Head: Funicular antennomeres progressively shorter and wider towards capitulum, capitulum longer than combined length of funicular antennomeres, capitular antennomeres 9 and 10 with collateral branch ( Fig. 14, 15 ), antennomere 11 oblong; eyes small, frons wider than width of eye (EW/FW 35/20). Thorax: Pronotum ( Fig. 23 ) transverse (PW/PL 95/85), side margins evenly arcuate, disc finely punctate; elytral asetiferous punctation small, profusely distributed throughout disc (EL/EW 230/75); protibial anterior margin spinous. Abdomen: Pygidium scutiform; aedeagus ( Fig. 63 ) poorly sclerotized ventrally; phallobasic lobes slightly developed, fimbriate, phallobasic rod long, linear, phallobasic apodeme broad; phallus with subapical sclerotization, phallic apex triangular/subacuminate.

Natural history. A specimen was collected during November.

Variation. Size: Length 10.0-14.5 mm; width 4.8-7.0 mm.

Distribution ( Fig. 70 ). I examined 5 specimens from: BRAZIL: Santa Catarina; Nova Teutonia,?-?-1941, Fritz Plaumann; idem, 27-XI-1941, Fritz Plaumann: Espírito Santo: Bahia. Specimens are deposited in FMNH and WOPC.

Figures

Figure 70. Geographical distribution of Chariessa species as noted.

Figures 1-18. Antennae of Chariessa spp. 1) Chariessa duponti (male). 2) C. duponti (female). 3) C. floridana (male). 4) C. floridana (female). 5) C. catalina (male). 6) C. catalina (female). 7) C. elegans (male). 8) C. elegans (female). 9) C. texana (male). 10) C. dichroa (male). 11) C. dichroa (female). 12) C. pilosa (male). 13) C. pilosa (female). 14) C. ramicornis (male). 15) C. ramicornis (female). 16) C. vestita (male). 17) C. vestita (female). 18) C. texana (female).

Figures 45-48. Habitus of Chariessa spp. 45) Chariessa floridana. 46) C. pilosa. 47) C. pilosa. 48) C. ramicornis.

Figures 21-29. Pronota of Chariessa spp. 21) Chariessa catalina. 22) C. elegans. 23) C. ramicornis. 24) C. duponti. 25) C. floridana. 26) C. texana. 27) C. dichroa. 28) C. pilosa. 29) C. vestita.

Figures 63-65. Male genitalia and aedeagi. 63) Chariessa ramicornis. 64) C. texana. 65) C. vestita.