NOTIPHILA. 137 



Wings distinctly tinged with brown ; veins brown ; the second 

 segment of the costal vein scarcely twice as long as the third. 

 Hah. Middle States. (Osten-Sacken.) 



4. N, caffinata Loew. 9 • — Cinerea, facie angusta concolore, antenna- 

 rum articuli tertii basi rufa, thoracis dorso scutelloque brunneis, abdo- 

 mine fasciis interrnptis nigro-brunneis, postice emarginatis, picto, pedibus 

 nigris, tibiis tarsisque posterioribus testaceis, tibiis posticis nigro-annu- 

 latis. 



Ashy-gray, tbe narrow face ashy-gray ; base of the third joint of the an- 

 tennae red ; upper side of the thorax and scutellum brown ; abdomen 

 with interrupted blackish-brown fascia, which are emarginated poste- 

 riorly ; legs black, middle and posterior tibiae and tarsi brownish-yellow ; 

 hind tibiae with a black ring. Long. corp. 0.13. Long. al. 0.16. 



Face gray, rather narrow, indeed remarkably narrower and with 

 a more extended and sharper keel on its upper part than in the 

 similar European species Notiph. annulipes Stenh. and Notiph. 

 dorsata Stenh. Palpi yellow, antennae black ; the third joint with 

 the basal half yellowish-red. Front, upper side of the thorax, and 

 scutellum, grayish-brown, or even almost brownish-yellow ; upper 

 side of the thorax without lines or stripes. Pleurae ashy-gray, 

 brownish above. Abdomen on the basal half of each segment with 

 two blackish-brown semifasciae, emarginated posteriorly, which on 

 the last segment dissolve themselves more or less into the two 

 spots composing them. Anterior legs entirely black, only the 

 knees and the extreme tips of the tibiae being brownish-yellow. 

 Middle and posterior tibiae and tarsi brownish-yellow; hind tibiae 

 with a brownish-black band ; tips of the tarsi brownish. Wings 

 of a rather dull gray, veins brown ; the second segment of the 

 costal vein a little more than twice as long as the third. 



Hob. Middle States. (Osten-Sacken.) 



5. IV. imicolor Loew. % . — Flavo-cinerea, facie laetius flava, abdo- 

 minis segmentis duobus intermediis brunneo-bimaculatis, femoribus 

 nigris, genibus, tibiis tarsisque fiavo-testaceis, anticis fuscanis. 



Yellowish-gray, face of a brighter yellow ; the two middle segments of the 

 abdomen each with two brown spots; femora, black, knees, tibiae and 

 tarsi brownish-yellow; the fore ones more brownish. Long. corp. 0.13. 

 Long. al. 0.16. 



Entirely yellowish-gray. Face bright yellow, rather broad ; 

 cheeks descending beneath the eyes a little more than usual. Palpi 

 dark yellow. Third joint of the antennae with the basal half red- 



