1865.] 117 



Myzine apicalis, n. sp. 



%. Black; clypeus, mandibles, scape of antennae beneath, collar, anterior 

 margin of mesothorax and spot on its disk, two spots on pleura, lines on scutel- 

 lums. lunate spot on each side of metathorax, legs and apical margins of abdo- 

 minal segments, yellow or ferruginous: apex of abdomen and venter ferrugi- 

 nous; wings hyaline, slightly dusky at tips. 



Male. — Black, shining, slightly iridescent, thinly clothed with pale 

 pubescence; clypeus prominent, densely and finely punctured, ferrugi- 

 nous ; labrum yellow; mandibles ferruginous at base, yellow in the 

 middle and black or piceous at tips; narrow lower, inner and outer or- 

 bits obscure ferruginous; palpi pale; antenna? rufo-piceous, extreme 

 apex fulvous, the basal joint beneath yellow. Thorax finely and closely 

 punctured ; line over the collar dilated on the sides, anterior margin of 

 mesothorax, a spot on its disk, a large spot on the pleura anteriorly and 

 another posteriorly, and a transverse curved line on the scutellum, fer- 

 ruginous or yellowish-ferruginous; a transverse spot on postscutellum 

 and a deeply emarginate spot on each side of the metathorax, yellow; 

 tegulae ferruginous margined within with yellow. Wings hyaline, 

 glossy, slightly fuscous at tips ; nervures testaceous. Legs ferruginous, 

 the anterior tibiae and all the tarsi, yellowish ; posterior coxae piceous. 

 margined with yellowish-ferruginous. Abdomen black or piceous-black. 

 shining ; the five basal segments each with an apical yellow fascia more 

 or less sinuate anteriorly, those on the third, fourth and fifth segments 

 indented on each side anteriorly, the last one very narrow; two termi- 

 nal segments ferruginous, the apical segment deeply notched at tip, 

 receiving the long recurved apical tooth which is blackish towards the 

 tip ; beneath ferruginous, the basal segment black with two yellow 

 spots on the middle, the four following segments with a lateral yellow 

 spot, minute on the fifth segment. Length 51 lines; expanse of wings 

 8-| lines. 



Collection. — Ent. Soc. Philad. One specimen. 



Genus TIPHIA, Fabr. 

 Tiphia argentipes, n. sp. 



Black, polished; sides of abdomen and the legs clothed with silvery pube- 

 scence ; wings subhyaline. 



Female. — Black, polished, thinly clothed with pale glittering pube- 

 scence ; head covered with rather deep and close punctures ; the face 

 and cheeks with silvery-sericeous pubescence; mandibles black, po- 

 lished, pubescent beneath; antennae piceous, the scape black and pube- 

 scent. Thorax : prothorax deeply and rather densely punctured, its 

 posterior margin smooth and polished, the lower half of the sides finely 



