. Bulletin - United States National Museum. Science. REVISION OF GENUS EUCERCERIS CRESSON 47 of the border between which there is a cluster of bristles, a bilobed extension appears mesad on the lower portion of the border; man- dibles with a single large acute denticle with a broad base; antennae dark apically, lighter basally, normal in form. Thorax black except a band on the pronotum extending onto the posterior lobe, a deeply emarginate band on the scutellum, the metanotum, large single patches on the propodeum, a triangular patch on the pleuron and a spot on the tegulae, all of which are c
. Bulletin - United States National Museum. Science. REVISION OF GENUS EUCERCERIS CRESSON 47 of the border between which there is a cluster of bristles, a bilobed extension appears mesad on the lower portion of the border; man- dibles with a single large acute denticle with a broad base; antennae dark apically, lighter basally, normal in form. Thorax black except a band on the pronotum extending onto the posterior lobe, a deeply emarginate band on the scutellum, the metanotum, large single patches on the propodeum, a triangular patch on the pleuron and a spot on the tegulae, all of which are creamy white; evanescent areas of light fuscous appear on the pleuron below the light patches and at the meson of the scutellum; tegulae normal in form; enclosure with a deep medial groove and heavy lateral ridges subparallcl to the base; mesosternal tubercles present but very small; legs ferruginous; wings subhyaline with a dark area on the anterior border embodying the marginal cell and the apex beyond. Abdomen black except for broad and emarginate bands on terga 1 Figure 29. Rio Grande Valley. E. morula albarenae, new subspecies. to 5 which are creamy white and the basal parts of terga 1 and 2 which are infused with ferruginous and all sterna which are ferruginous; pygidium with sides slightly convex and converging to a rounded apex. Male.—Length mm. Black with creamy white markings on the body; legs ferruginous with creamy white markings; punctation average; pubescence very short. Head one seventh wider than the thorax; black except for the entire face exclusive of black lines through the antennal scrobes (the light area fusing above the antennae), a light spot back of the eye, basal parts of the mandibles and a minute spot on the scape, all of which are creamy white to very light yellow; clypeal border with three dark subequal denticles; mandibles without denticles; antennae normal in form. Thorax black except for a broad band on the pronotum extending onto the poste
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
