A32 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 98 
Two males and two females collected by D. Farrell on sugarcane in 
Trinidad ( July 31, 1920) and one female collected by the writer on 
the same host at Caroni, Trinidad, B. W. I. (May 5, 1986), are at hand. 
This species is distinguished from the other six of the genus by the 
proportions of the vertex and by the shape of the genitalia. 
Genus PEREGRINUS Kirkaldy 
Peregrinus KirKALpy, Entomologist, vol. 37, p. 175, 1904. (Genotype, Delphaxr 
maidis Ashmead, Psyche, vol. 5, p. 8238, 1890.) 
Frons at least twice as long as wide; vertex not longer than broad, 
truncate or slightly rounded at apex, carinae of vertex distinct; an- 
tennae terete, not flattened, II considerably longer than I, I longer 
than broad. Head narrower than pronotum; lateral carina of pro- 
notum straight, diverging, reaching hind margin or near it. 
PEREGRINUS MAIDIS (Ashmead) 
Delphax maidis ASHMEAD, Psyche, vol. 5, p. 323, 1890. 
Twenty-three males and 28 females collected by the writer on maize 
at St. Augustine, Trinidad, B. W. I. (May 3, ae were typical. 
Representative material in ib S.N.M. 
Genus SOGATA Distant 
Sogaia Distant, Fauna of British India, Rhynchota, vol. 3, p. 471, 1906. (Geno- 
type, S. dohertyi Distant, ibid., p. 471, fig. 258.) 
Body narrow and slender, head approximately as wide as pronotum ; 
vertex truncate or slightly rounded at apex, not wider than eye on 
same level at base; carinae of vertex and frons distinct; frons 
longer than broad; antennae terete, with II longer than I, I longer 
than broad. Pronotum with lateral carinae reaching hind margin, not 
in line with mesonotal carinae. | 
SOGATA FURCIFERA (Horvath) 
PLATE 9, Figures 116, 117 
Delphax furcifer HorvAtTH, Termés. Fitizetek, vol. 22, p. 372, 1899. 
One macropterous male collected at St. Augustine, Trinidad, 
B. W. L., by the writer (May 38, 1942) on Azonopus compressus. 
Genus DELPHACODES Fieber 
Delphacodes Firsrr, Verh. zool.-bot. Ges. Wien, vol. 16, p. 524, pl. 8, fig. 32, 1866. 
(Genotype, D. mulsanti Fieber, ibid.) 
Head almost as broad as pronotum; vertex not longer than broad, 
or scarcely so, truncate or slightly rounded at apex; frons narrow,. 
much longer than broad, carinae distinct, the median carina forked at 
base; antennae terete, rounded, first segment short, as broad as long. 
