Famity—SIRICID. 115 
XIPHYDRIA WALSHII. 
Nigra: abdomine piceo, segmentis mediis lateraliter albido-marginatis ; antennis fuscis basi luteis ; pedibus 
fulvis tarsis apice fuscis; alis hyalinis stigmate venisque luteo-fuscis ; capite nigro antice rugoso, vertice lineis 
duabus abbreviatis albidis inter oculos, margineque postico pone et sub oculos, albido marginato; mandibulis * 
albidis apice fuscis; antennis fuscis gracilibus 14-articulatis, articulis basalibus fulvo-fuscis, collo gracile nigro, 
lateribus albido-notatis, subtus albido; thorace nigro punctis duobus albis inter alas; abdomine piceo, subtus 
pallidiori, segmentis intermediis albo-tenuiter marginatis ; coxis omnibus albo-variis, 
Long. corp. lin. 33; expans, alar. antic. lin. 53. 
Habitat ; Amer. Sept., New York. In Mus. Britann. 
XIPHYDRIA ABDOMINALIS. 
(Say, in Long’s Second Expedition, ii. p. 311.) 
Habitat ; Pennsylvania. 
XIPHYDRIA ALBICORNIS. 
(Harris, Treatise on Insects, p. 392.) 
Habitat ; Massachusetts. 
XIPHYDRIA MELLIPES. (Precedentis Var. 1) 
(Harris, Treatise on Insects, p. 393.) 
Habitat ; Massachusetts. 
XIPHYDRIA BASALIS. 
(Say, in Boston Journ. Nat. Hist. i. p. 222.) 
Habitat ; Indiana. 
XIPHYDRIA MACULATA. 
(Say, in Boston Journ, Nat, Hist. i. p. 222.) 
Habitat ; Massachusetts. 
XIPHYDRIA TIBIALIS. 
(Say, in Long’s Second Expedition, ii. p. 312. See Norton, in Proc. Ent. Soc. Philadelph. 1864, p. 16.) 
Habitat ; Pennsylvania. 
XIPHYDRIA ATTENUATA. 
(Norton, in Proc. Ent, Soc. Philadelph. 1862, p. 144.) 
Habitat ; Pennsylvania. 
slender flagellum, ferruginous ; thorax anteriorly punctured and opaque, posteriorly shining black, and with a few punctures 
at the base of the scutellum; wings hyaline and iridescent ; the nervures black; the extreme base of the wings and the 
tegulz pale testaceous ; the legs pale ferruginous, with the claws of the tarsi darker ; abdomen, the base of the segments 
depressed, and very delicately and closely punctured, subopaque ; the apical half highly polished and shining ; beneath, 
obscurely rufo-piceous ; the fore wings have the vein between the two marginal cells transverse, and entering the second 
submarginal cell at a short distance before its distal extremity, and the second recurrent vein entering the third submarginal 
cell in the middle of its posterior margin. 
