INSECTA. 
431 
Leptosfyhis. Thorax short and broad, widened posteriorly to lateral spines, 
which are very thick and placed near the hinder angles. Elytra witk centro- 
basal tubercles, each with a pencil of hairs. Ovipositor projecting. Sp. B. 
penieillatus and bilineatm, Bates, p. 44, from the Amazons. 
Bates, c. p. 45. Allied to Trypanidius. Thorax rather ne,rrow; 
spines lateral. Elytra with crested centro-basal tubercles. Mesosterniam 
without tubercles in cf . Sp. C. setiger, Bates, from the Amazons. 
Atrypanius, Bates, 1 . c. p. 46. Allied to Trypantdms. Head elongated in 
front. Ej^es oblong. Mesosternum plane. Apical segment of abdomen 
obtuse. Sp. A. cotispersus (Germ.) 
Oxathres, Bates, 1 . c. p. 50. Nearly allied to Prohcdius. Abdomen in rS with 
apical ventral plate bidentate, in $ with a prolonged pointed dorsal plate and 
an exserted ovipositor. Sp. O. namcdla, Bates, &c. 
Triclianius, Bates, 1 . c. p. 52. Allied to Prohatins. Terminal plates of abdo- 
men obtuse. Ovipositor short. Elytra setose, without centro-bosal tubercles. 
Sp. T. quadrivittatus, Bates, &c, 
Sporetus, Bates, 1. c. p. 64. Allied to Prohatius. Body elongate-oblong. 
Thorax subquadrate ; sides rounded ; lateral spines small, tuberculari Sp* S. 
porcinus, and seininalis, Bates. 
Seriphu\ Bates, 1. c. p. 144. Nearly allied to Sporetus. Body oblong-ovate, 
convex. Thorax convex ; lateral spines small, tubercular, pjaced behind the 
middle. Sp. S. viridis, Bates, p. 145, from Ega. 
Stenolis, Bates, 1. c. p. 149. Allied to Kyssodrys. Body elongate, slightly ‘ 
convex. Thorax narrow ; lateral spines forming minute tubercles. Apical 
segment of abdomen (in cf) elongated, rounded, and entire at tip; ventral 
plate with a pencil of hairs on each side. Sp. S. mididata, Bates, from Ega. 
Nyssodrys, Bates, /. c. p. 149. Form as in preceding. Lateral spines of 
thorax short, conical. Apical dorsal plate in cl entire or sinuated ; ventral 
notched. Dorsal in $ pointed or obtuse ; ventral truncated or faintly notched. 
Ovipositor elongated. Known species, N. hisqyecularis (White), 1. c. p. 156 ; 
N. albojylagiata (White), 1. c. p. 164. 
Ilylettus, Bates, op. cit. vol. xiv. p. 11. Allied to Acanthocinus and Nys- 
sodyys. Elongate-oblong, depressed. Thorax uneven ; lateral spines in the 
form of large tubercles. Fore and middle tarsi in cl much dilated and fringed 
with hairs. Dorsal and ventral plates of apical segment in cl notched ; in $ 
dorsal pointed, ventral truncate. Type Hylettus {Lciopus) cocnobita (Erichs.). 
Palame, Bates, 1 . c. vol. xiv. p. 12. Allied to Sporetus. Body oblong, nar- 
row, clothed with short seta3. liateral spines of thorax very small, placed at 
hinder angles. Fore and middle tarsi dilated and fringed, and coxae and 
sternum densely hairy in cl- Ovipositor wanting. Sp. P. crassimanus, Bates, 
p. 13, from the Amazons. 
Toronams, Bates, 1 . c. p. 13. Allied to Graphisurus. Body convex. An- 
tennae greatly elongated, with long slender joints. Ovipositor much elongated ; 
apical ventral plate in 5 deeply cleft. Sp. T. f guratus, Bates, &c. ; known 
species, Eutrypanus tessellatus (White) =^. variegatus (Dej.). 
Calliper 0 , Bates, 1. c. p. 18. Antennae with joints 3-7 thickened and 
clothed beneath with short setae. Sp. C. belld^ Bates, from San Paulo. 
Xylei-gates, Bates, 1 . c. p. 20. Nearly allied to Eutrypanus^ but with no 
