Thyanta (Thyanta) cubensis Barber & Bruner

Thyanta (Thyanta) cubensis Barber & Bruner

Figs. 93-108, Map 7

Thyanta cubensis Barber and Bruner, 1932:257-258 , figs. 4-5; Bruner and Barber, 1949: 158; Alayo, 1967: 18, 20.

Diagnosis. Dorsal coloration brown to green; transhumeral reddish markings lacking.

Lateral jugal margins sinuous, not parallel ( Fig. 94). Anterolateral margins of pronotum slightly concave in dorsal view, usually contrastingly pale yellow; humeral angles spinose with spines small and directed anterolaterad ( Fig. 93); pronotal cicatrices immaculate. Abdominal stemites with anterolateral angles immaculate, posterolateral angles piceous. Postspiracular black spot present on each side of each abdominal sternite.

Basal plates in caudoventral view with mesial margins straight to slightly convex; posterior margins sinuous; posteromesial angles broadly rounded (Fig. l 06). Pygophoral opening subtended by semicircular impression in caudal view; posterior margin of pygophore produced posterodorsad, convex with small, medial, V-shaped emargination in both ventral and dorsal views ( Figs. 103, 104); pygophore slightly concave in lateral view ( Fig. 10 S).

Types. Barber and Bruner (1932) described Thyanta cubensis from 145~ and S 99 specimens, all from Cuba. The holotype and 11 paratypes were examined. The holotype is housed in the U.S. National Museum of Natural History (Washington, D.C.).

Distribution. Bahama Islands and Cuba ( Map 7).

Specimens examined. 32 specimens collected during every month except January, May, June, and November; deposited in AMNH, CAS, ISU, LHR, MSU, USNM. BAHAMA ISLANDS: Andros Island: Mangrove Bay . Cat Island . CUBA: Boniato . Archipielago de los Canarreos: Isla de Pines . Camaguey: Camagiiey . Ciego de Avila: Baragua . Cienfuegos: Soldad near Cienfuegos . Granma: Cayamas . Pinar de! Rfo: Sierra Rangel . Sancti Spfritus: Zaza del Medio . Santiago de Cuba: Santiago de Cuba . Villa Clara: Santa Clara .

Comments. Thyanta cubensis is often smaller than the other species related to T. perditor, the humeral spines are shorter, the transhumeral reddish markings are usually absent, and the pronotal and abdominal black markings are reduced or absent.