Brunneritettix fuscipennis Cadena-Castañeda & Quintana-Arias & Infante & Silva & Tavares 2025, comb. nov.
Year: 2025
Type: other
Abstract: Brunneritettix fuscipennis (Bruner, 1910), comb. nov. (Fig. 119) Allotettix fuscipennis Bruner, 1910: 115. Holotype. Male. Brazil: Pará: Benevides. Depository: ANSP. Remarks. There are no additional records of this species since its description. Genus Platythorus Morse, 1900 Platythorus Morse, 1900: 8. Type species: Platythorus camurus Morse, 1900, by monotypy. Redescription. Body robust, moderately flattened dorsoventrally (Fig. 120A, B). Head moderately compresso-elevated. In frontal view, vertex wider than an eye, anteriorly truncated, and slightly lower than the eyes; medial carina short and not elevated; transverse carinae separated by a shallow groove but continuous with a low ridge running backward along each side of the mid-carina; fontal costa forking midway between the ocelli and vertex into high narrowly divergent rami, scutellum narrow; antennal groves located at the level of the ventral margin of eyes, in the middle length of each branch of the fascial carinae, antennae segments unknown (maybe 14 as the other genera of this tribe), lateral ocelli between the middle of the eyes; medial ocellus close to the lower margin of the scutellum; palpi with last three segments brown and little flattened, first two segments short and nearly cylindrical (Fig. 120C). In lateral view, face little oblique; carina of the vertex not produced between the eyes; fastigio-fascial angle rounded; fascial carinae slightly emerging between the antennae, not surpassing the pedicelus length and rounded, above and below slightly sinuated; eyes rounded, with rounded dorsal surface, straight ventral margin and very little elevated than vertex (Fig. 120A). Thorax. Pronotum slightly surpassing the tip of abdomen, but not the tip of hind femora (Fig. 120A); pronotal disc mostly flat, anteriorly straight, and apically acute; median carina slightly undulated on anterior section; pronotum granulated and with post humeral spots (Fig. 120B). Lateral carinae almost straight in dorsal and lateral views, divergent anteriorly; humeral angles obtuse; lower edge of lateral lobes flattened and projected to the sides, with rounded apex; posterior margin of lateral lobe with a mid-undulation; infra-scapular area mid-sized and wide, ending at the level of the fourth or fifth abdominal segments; lateral area extending to the apex of the pronotum and narrower than the infrascapular area in lateral view (Fig. 120A). Wings. Absent. Legs slender. Fore and mid-femora carinated dorsally and ventrally undulated; fore and mid-tibiae carinated above. Hind femora stout with ante-genicular and genicular teeth moderately developed; the first and third segments of the hind tarsi nearly equal in length or the first slightly longer. Abdomen. Last segment constricted dorsally; cerci conical; subgenital plate quadrangular with a rounded apex bearing a small spine. Ovipositor with moderately robust and serrulated valves and medium-sized teeth. Male. Unknown. Species included. Type species only. Distribution. Central America between Nicaragua and Costa Rica (Maps 4 and 7). Remarks. It is the only brachypronotal and wingless genus of the tribe Otumbini.
Authors: Cadena-Castañeda, Oscar J., Quintana-Arias, Ronald Fernando, Infante, Ivette Coque, Silva, Daniela Santos Martins, Tavares, Gustavo Costa
Language: English
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W6930760154
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