50 E. T. CRESSON. 



Xipliydrta Walsliii Westwood, Thesaurus Eat. Oxon. 113.— "Black; 

 abdomen piceous, the middle segments laterally margined with white; antennae 

 fuscous, base luteous; legs fulvous, tips of tarsi fuscous; wings hyaline, nerv- 

 ures and stigma luteo-fuscous; head black, rugose anteriorly, vertex with two 

 abbreviated white lines between the eyes, and the margin beneath and behind 

 the eyes also white; mandibles white, fuscous at tip; antennae fuscous, slender, 

 fourteen-jointed, basal joint fulvo- fuscous; collar slender, black, the under sur- 

 face and spot on sides, white; thorax black with two white spots between the 

 wings; abilomen piceous, paler beneath, the intermediate segments narrowly 

 margined with white; coxae varied with white. Length 3i lines." 

 Hah. — New York. (British Museum). 



Xiphydria atteuuata Norton, %; Patton, Canadian Entomologist, xi. 

 14._" j._Head and thorax black; tibiae and tarsi pale; wings hyaline; ab- 

 domen red, with six yellow spots. Length .40 inch.— Aniennae sixteen-jointed, 

 black, piceous beneath, especially towards tip. Face below and between an- 

 tennae, palpi and base of mandibles, fulvous. Eyes, except for a short space 

 above, bordered with yellow, the border covering nearly the whole cheek and 

 the anterior and posterior borders extending backwards to meet on the edge 

 of the occiput, thereby enclosing a spot above the eyes which is black in the 

 centre but shading through piceous into the yellow borders. Space about the 

 ocelli finely rugose, with delicate ridges radiating from each ocellus; vertex 

 behind ocelli polished. A pit or deep puncture midway between lower ocellus 

 and the insertion of antennae. Thorax closely and finely rugulose, scutellum 

 and enclosure on basal plates polished. Tegulae, minute spots before tegulae, 

 one each side above anterior wing, and the cenchri, yellow. Trochanters, tips 

 of coxae and of femora dull yellow; femora piceous, posterior pair black; basal 

 half of tibiae and basal joints of tarsi, except at tip, yellow; the remainder 

 of tibiae and tarsi fulvous, becoming brownish on the posterior tibiae. Wings 

 hyaline, iridescent, nervures and stigma pale piceous. Basal half of the first 

 segment of abdomen black and roughened with fine confluent punctures; the 

 remainder of this segment and portions of the terminal segment are darker 

 than the other segments of the red polished abdomen. A yellow spot on each 

 side of segments three, four and seven, those on the seventh segment being 

 the largest. Sheath of the ovipositor black; abdomen beneath, except at base 

 of ovipositor, red." 



Hah. — Connecticut. (Coll. W. H. Patton). Taken from a dead 

 stick of Betula nigra. 



Uroeerus latifasciatus "Westwood (Sirex), Thesaurus Ent. Oxon. 114, 

 pi. 21, fig. 2. — "%. — Black, punctured, setose; abdomen purplish-black, seg- 

 ments 2 — 5 fulvous ; antennae twenty-three-jointed, joints 4 — 10 obscure, rufous, 

 the remainder blackish; head convex, two yellow spots behind the eyes; an- 

 terior angles of collar porrect, fulvous; abdomen subopaque with posterior 

 margin of segments shining; apex acute, serrate; femora black, four anterior 

 tibiae and tarsi fulvous, tibiae compressed, the posterior pair white at base, 

 the two apical joints of tarsi somewhat fulvous; wings obscure fulvous, apex 

 scarcely darker, stigma brown; the vein which closes the hind portion of the 

 first submargiual cell is continuous with the vein at the end of the long an- 

 terior or subcostal cell, causing the first submarginal cell to be shorter and 

 more oblique than ia fulvocincia ; and the vein which forms the hind margin 



