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Show 176 PROP. P. R. UHLER ON THE [Mar. 6, Balthazar were taken, March 24, in open places and from thickets near the sea, from herbage ; others were found at the same place in April, and one was captured on the Lake Antoine estate. This is another Colombian form with a distribution from Northern Brazil to Southern Florida and the coast of Texas. It is found in all the Greater Antilles and Trinidad. Two specimens from Para, in m y collection, vary but little from the type as we find it in Mexico and Cuba. The specimens from Grenada vary much in size, just as they do in San Domingo, Cuba, and Mexico. The males are sometimes only about half the size of the females. 2. NEZARA YIRIDULA (Linn.). Cimex viridulus, Linn. Syst. Nat. ed. 10, p. 444. This species is now known from the warm parts of all four of the continents. In the United States it inhabits the littoral plain from Virginia to Florida and Louisiana. It is found in all the large West India islands, including Trinidad. In Grenada the specimens were found at Balthazar, April 2, on weeds and various kinds of herbage. On the Mount Gay estate it was taken, August 20 to 25, on herbage in open places. EDESSA, Fabr. 1. E D E S S A BIFIDA, Say. Pentatoma bifida, Say, Insects of Louisiana, p. 7 ; Edessa cornuta, Burin., and E. cornuta, Guerin; also E. cdbirenis, H.-Schf. Wanz. Ins. vii. p. 127, t. ccxlix. fig. 774. Types of all the references above given have been identified for me by Dr. Stal and others, and there is no reason for keeping them apart as is clone in the Catal. Gen. des Hemipt. par M M . Lethierry et Severin, pp. 188, 189. This species is distributed from Northern Brazil and Colombia through Central America and Mexico into the southern United States and the Antilles. It is variable to a marked degree in the distribution, depth, and coarseness of the punctures, the size and length of body, and the convexity of the pronotum. The scutellum is occasionally blunter than in the average, and the pronotum sometimes shows traces of wrinkles on the convex dorsum. Mr. Distant's figure of E. cornuta, Burm., Biol. Centr.-Am., Hem.-Heter. pi. 9. fig. 22, well represents the E. bifida, Say, as we find it in Louisiana, Florida, Cuba, and Grenada. Besides this, a pah of types from the Mexican series separated by Mr. Distant in working up his material for the 'Biologia' are before me at this moment, and they are precisely like my specimens from the United States and the Antilles. In examining a series of somewhat more than a hundred specimens of both sexes, from near Samana, San Domingo, I was surprised to find abrupt differences in the length of the anterior fork of the sternum of the male, and in the depth of excavation and angularity of the sides of the genital segment. The female is usually a broader, larger, |
