148 
WILLIAM .1. FOX. 
posterior pair tilack. Thorax finely punctured, the dorsuluni with a short im- 
pressed line on each side; nietanotuni with fine transverse .striations, trisulcate, 
the median snlcns longest and broadest, the posterior face’deeply silicate medially ; 
win<;a hyaline, nerviires and stigma black. Abdomen shining, the first segment 
silicate above on its basal lialf, about one-third longer than the following seg- 
ment. Length .38 inch. 
Occurs ill Florida. Collected by C. ^y. Johnson. 
20. Trypoxylon oriiatipew n. .sp. 
'J, .—Front suhopaqiie, convex, with a medial imiiressed line extending from 
lower ocellus to a slight longitudinal cariua above the antenme; the anterior 
ocellus placed in a deep pit; clypeus with a small quadrate tooth medially; the 
lust joint of the anteunse equal to the four preceding joints united ; the scape 
in front, the tegulse, the anterior and posterior legs and the basal portion of 
second segment on the sides and beneath fulvous, the base of the posterior femora 
and the joints of the tarsi at base whitish, the rest of the legs black or brownish. 
Thorax finely punctured ; metathorax trisulcate above, the medial furrow 
broader than the lateral ones, which are somewhat indistinct and much shorter 
than the medial one, the mesonotum shining, transversely striated, the iiosterior 
face very deeply and broadly channeled medially; wings hyaline, iridescent. 
Abdomen shining; the first segment at least one-third longer than the following 
segment, above strongly sulcate medially, the sulcus interrupted between the 
middle and apex. Length ,28 inch. 
Occurs in the District of Columbia. 
The cocoon of this species is cylindrical, rounded at each end, 
and about .40 inch, in length. This may be the % of T. Johnsoni. 
Unidentified Species. 
T. californicum Saiiss.. Eeise d. Novara. Zool. ii, Hym. p. 78, J, 1867. Cal. 
T. pennsylvanicum Sauss., ibid. p. 82, J. Penn. 
T. striatum Prov., Add. Hym. Queb. p. 283, J. (Pub. in Le Nat. Canadien.) 
Can. 
T. sulcus La Muiiyon, Proc. Nebr. Asso. Ad. Sc. March, ’77 ( = texensef). Nehr. 
T. unicolor Bob, Ins. Afr. et Amer. p. 116, Hym. PI. iii, fig. 3. This probably 
does not belong to this genus. Car. 
T. xantianum Sauss.. 1. c. p. 78, 'J, J, 1867. L. Cal. 
EXPLANATION OF PLATE III. 
Fig. 1. — Head, showing clypeus of T. neglectnm. 
" 2. — Head of T. albipilosum. 
" 3. — Head, from above, of T. rufozonalis and T. arisnnense. 
4. — Head, from above, of T. tridentnUim. 
" 5. — Head, showing clypeus of T. spinosam. 
“ 6. — Abdomen from the side, of T. spinosum. 
“ 7. — Abdomen, from the side, of 'T. riibrocmctum. 
“ 8. — Anterior margin of clypeus of T. texense, % . 
“ 9. — Anterior margin of clypeus of T. bidentatum. 
“ 10. — Anterior margin of clypeus of T. apicalis. 
‘‘ 11. — Posterior leg of T. clavutum , showing spined trochanter. 
“ 12.— First abdominal segment of T. neglectnm, from the side. 
“ 13.— First two abdominal segments of T. arizonense, and rufozonalis. 9 , from 
the side. 
