Acrosternumn (Chinavia) sparnium Dallas, 1851: 280.

Coloration. Predominantly green. The lateral margins of juga are black, and pronotum are green, both followed by a yellow band. Basal angles of scutellum with 1+1 yellow spots. Connexivum and urosternites yellow. Black macula in the posterolateral angles of connexivum and urosternite. Head. Margins of juga with a slight concavity in front of eyes, apex of head broadened and semicircular. Proportion of antennal segments. I<II<III<IV≈V. Rostrum reaches the metacoxae. Proportion of rostral segments. I<II≈III>IV. Thorax. Anterolateral margins of pronotum with a submarginal dorsal depression. Hemelytra with costal angles slightly obtuse. Membranal suture convex. Abdomen. Medial spine of third urosternite surpasses the mesocoxae. Spiracles green.

Distribution. Cayman Islands, Jamaica.

Comments. The lateral margins of the juga and pronotum with black and green colors respectively, the medial spine of third urosternite surpassing mesocoxae and the spiracles green, are diagnostic.