Chinavia rideri

Genevcius, Bruno C. & Schwertner, Cristiano F., 2014, Review and phylogeny of the geniculata group, genus Chinavia (Heteroptera: Pentatomidae), with notes on biogeography and morphological evolution, Zootaxa 3847 (1), pp. 33-56 : 51-52

Chinavia rideri (Frey-da-Silva & Grazia)

( Figs. 4 k, 5h; table 3)

Acrosternum (Chinavia) rideri Frey-da-Silva & Grazia 2001, 113, 120–126. Chinavia rideri: Schwertner & Grazia 2007 , 420, 424, 432.

Diagnosis. External margins of pronotum, hemelytra, connexivum and apex of scutellum with an orange band. Black spots present on the anterior and posterior margins of the connexivum and on the cicatrices of the pronotum. Humeral angles truncate. Tylus outlined in black.

Adult size. 12–14mm.

Distribution. Brazil (BA, DF, GO, MG, MT, SP).

Material examined. Holotype: Chapada dos Guimarães (MT—Brazil), 1983, DARC (♂); Paratype: Estação Silvicultura do INPA (AM—Brazil), 1976, INPA (1♀); Cuiabá (MT—Brazil), 1963, DZUP (1♀); Chapada dos Guimarães (MT—Brazil), Drake col., DARC (♂); Distrito Federal (Brasilia—Brazil), 1997, AMNH (1♂); 1978, DZRS (1♂); 1971, MNRJ (1♀); 1979, UNB (1♂); 1979, DZRS (1♀); Planaltina (DF—Brazil), 1979, DZRS (1♂); Jataí, Fazenda (GO—Brazil), 1964, DZRS (2♀ 1♂); Paracatu (MG—Brazil), 1960, MNRJ (2♀); Sacramento, 1965, DZUP (1♂); Fazenda Unai, 1978, DZRS (1♀); Passos (MG—Brazil, 1964, Claudionor col., DZRS (♂); 1961, DZUP (1♀ 1♂).

Comments. The only species of Chinavia endemic to the Brazilian Cerrado. Can be distinguished from C. erythrocnemis by its dark spiracles and from C. pontagrossensis by the immaculate scutellum.

Figures

FIGURE 4. Dorsal view of the geniculata group species. A = C. cearensis, B = C. erythrocnemis, C = C. geniculata, D = C. gravis, E = C. immaculata, F = C. nigritarsis, G = C. nigropicta, H = C. panamensis, I = C. pontagrossensis, J = C. rogenhoferi, K = C. rideri, L = C. sebastiaoi, M = C. tuiucauna, N = C. vanduzeei.