Pycnoderes quadrimaculatus Guérin-Méneville
(Fig. 37)
Pycnoderes quadrimaculatus Guérin-Méneville, 1857: 404 (orig. descrip.).
Diagnosis. Body oval elongate. Head, pronotum, and scutellum black. Hemelytra blackish, with a pale spot on anterior and posterior margin of embolium; cuneus pale; basal margin of large cell fuscous. Legs pale, except for fuscous apex of hind femur. Length 2.95–3.65 mm.
Hosts. Amaranthus sp. [ Amaranthaceae], Cucurbita maxima Wall. [ Cucurbitaceae], and Phaseolus vularis Wall. [ Fabaceae] (Ferreira et al., 2001). This pest species, known as the bean capsid, feeds on the undersurface of its host leaves, often causing severe chlorosis and leaf dieback (Wheeler, 2001).
Distribution. Brazil, Cuba, Dominican Republic, Honduras, Mexico, Puerto Rico, United States (Carvalho, 1957); Suriname (Carvalho and Rosas, 1965); Peru (Carvalho and Ferreira, 1972); Colombia, Guatemala, Panama (Carvalho and Afonso, 1977).
Minas Gerais specimens examined. 27 ɗɗ, 63 ΨΨ, Viçosa, 7 Feb. 1974, 27 Mar. 1974, 18 Sept. 1982, 2 Feb. 1983, P. S. Fiuza Ferreira (UFVB); 6 ɗɗ, 7 ΨΨ, Viçosa, 23 Mar. 1974, 21 June 1974, 30 Apr. 1975, 6 Dec. 1978, Ferreira and Rossi (UFVB); 2 ΨΨ, Viçosa, Sept. 1943, J. C. M. Carvalho (UFVB).