Chrysobothris, THORACICA

Maier, Crystal A. & Ivie, Michael A., 2013, New Species and Records of Chrysobothris Eschscholtz (Coleoptera: Buprestidae) from Montserrat, Saba, and Anguilla, with a Key to the Chrysobothris thoracica Species-Group in the West Indies, The Coleopterists Bulletin 67 (2), pp. 81-88 : 84

KEY TO THE SPECIES OF THE CHRYSOBOTHRIS THORACICA SPECIES- GROUP FROM

THE WEST INDIES

1. Base of pronotum with bluish green patch immediately anteriad scutellum, extending anteriad of elytral lobes ( Fig. 4 ; Woodley and Touroult 2012, fig. 2)...........................2

1.′ Base of pronotum with bluish green patch absent immediately anteriad scutellum, or patch only bordering posterior margin ( Figs. 1–3 )....................................................................3

2. Aedeagus robust, less than 2.2 times as long as wide ( Fig. 6 ). Montserrat........................... ..... C. marskeae Maier and Ivie , new species

2.′ Aedeagus narrow, at least 3.4 times as long as wide ( Descarpentries 1981, fig. 4; Woodley and Touroult 2012, figs. 5, 6). Guadeloupe............. C. guadeloupensis Descarpentries

3. Lateral margins of pronotum strongly arcuate, pronotum widest at midpoint; posterior margin of pronotum red or greenish, never blue; suture blue at most just behind scutellum, not distinctly and brightly blue to level of first discal macula. Hispaniola ....... C. hispaniolae Fisher

3.′ Lateral margins of pronotum weakly arcuate, pronotum widest in anterior third; posterior margin of pronotum blue; suture bright metallic blue behind scutellum to level of first discal macula. Puerto Rico, Virgin Islands, Leeward Islands..........................................4

4. Posthumeral blue macula, viewed from the side, distinctly separated from first discal blue macula, reaching only to level of anterior edge of first elytral macula; elytron evenly bronze to apex ( Fig. 1 ). Saba......................... ......... C. sabae Maier and Ivie , new species

4.′ Posthumeral blue macula, viewed from the side, confluent or nearly confluent with basal elytral blue macula; elytron changing from bronze to somewhat aeneous in apical portion, often blue-green at apex ( Fig. 3 ). Puerto Rico, the Virgin Islands, Anguilla..... C. thoracica (F.)

Figures

Figs. 1–4. Chrysobothris species, dorsal habitus. 1) C. sabae; 2) C. hispaniolae; 3) C. thoracica; 4) C. marskeae.

Figs. 5–7. Chrysobothris species, male genitalia. 5) C. sabae; 6) C. marskeae; 7) C. thoracica.