114 [January 



lines. One specimen (Coll. Dr. Grundlach), is more robust than the other 

 two, and the yellow markings are more strongly developed ; otherwise 

 there seems to be no difference. 



Myzine albopicta. u. sp. 



% . Black; inner orbits, clypeus, mandibles, spot on each side of prothorax, 

 its posterior margin, two spots on pleura, spot on postscutellum, spot on ante- 

 rior and posterior coxje, line on outside of four anterior tibise, spot on posterior 

 femora beneath, and spots or lines on the apical margins of abdominal seg- 

 ments, all whitish; wings hyaline, dusky at tips. 



Male. — Black, clothed with a thin pale pubescence; head finely punc- 

 tured ; face prominent between the antennte, with a short, deep, longi- 

 tudinal groove on the middle, not reaching the ocelli ; the clypeus, 

 mandibles, except tips, and the narrow inner orbits, extending from 

 the lower half of the sinus to the clypeus, whitish; palpi pale; antennae 

 longer than the head and thorax, thickened, dull black. Thorax shining 

 black, minutely punctured; narrow posterior margin of the prothorax, 

 and an elongate spot on each side anteriorly, white ; mesothorax with 

 two abbreviated, longitudinal, well impressed lines on the disk ; pleura 

 densely and finely punctured, an elongate, subcuneiform spot on each 

 side anteriorly, and a rounded spot on each side posteriorly, white ; 

 scutellum entirely black, minutely punctured; postscutellum with a 

 transverse, subquadrate white spot on its disk ; metathorax rounded 

 above and behiud, densely and finely punctured; tegulae shining black. 

 Wings long and ample, hyaline, beautifully iridescent, slightly dusky 

 at tips; nervures black. Legs black, more or less tinged with piceous; 

 the anterior coxae with a rounded white spot beneath, the middle coxal 

 plates margined wi€h whitish, and the posterior coxae with a white spot 

 above and a line beneath of the same color; the four anterior tibire ex- 

 teriorly, the whole of the anterior tarsi, and a spot or line on the poste- 

 rior femora at tip beneath, white ; tibial spurs also white ; tips of all 

 the tarsi tinged with ferruginous. Abdomen black, polished, with a 

 faint bluish reflection and a few scattered punctures ; a transverse spot 

 on each side of the first segment at tip above, a very narrow, sinuous, 

 more or less interrupted line on the apical margins of the second, third 

 and fourth segments above, and a spot on each extreme side beneath, 

 white; apical segment depressed above, deeply notched at tip, receiving 

 the long, recurved, acute, apical tooth. Length 5 lines; expanse of 

 wings 8 lines. 



Collection. — Dr. J. Grundlach. One specimen. 



Closely allied to M. nitida, but is smaller, differently marked, and 

 the legs black instead of rufous. 



