36 STRATIOMTD.E, 



a triangular yellow spot above the antennse. Abdomen white, with a 

 Mack spot near' the tip ; underside black, excepting the disc. Fern. 

 Abdomen black above ; border white ; a row of white spots along the 

 back, and sometimes a row of short white bands along each side. 

 Not very common. 



3. brevirostris, Mgrle. ; Mg. zw. iii. 117. 6 (1822); Mq. Cy- 

 aneo-niger, antennis nigris, thorace albo-bivittato, alis albis, abdomine 

 macuUs fulvis trivittato, pedibus fulvis, femoribus nigris, tibiis nigro- 

 ciuctis. Long. 2^ ; alar. 4 lin. 



Bluish-black. Proboscis and antennae black. Thorax toith a white 

 irregular stripe along each side. Wings white ; veins pale tawny. 

 Halteres yellow. Abdomen with 3 ro/os of taicny spots, lohich are con- 

 nected along each side. Legs tawny ; femora black, with tawny tips ; 

 a black band on each hind tibia. 



Eare. In the collection of the Entomological Club. (E.) 



4. nigrinus, Fin. str. 6. 3 (1814); Mg. ; Mq. ; Ct. ! b. e. 729; 

 Ztt. — nigritus, Pz. ! fn. cvii. 17. Niger, alis albis, tibiis tarsisque 

 basi fulvis. Long. 1^ ; alar. 3 lin. 



Black. Wings white ; veins pale tawny. Halteres yellow. Tibife 

 and tarsi tawny towards the base. 



Generally distributed, but not common. (E. I.) 



Genus VIL PACHYGASTER. 



Pachygaster, Mg. kl. i. 146 (1804) ; Mq. ; Ct.; Duf.; Ztt. Vappo, 

 LI. ; Fb. Nemotelus p., Pz. Sargus p., Fin. 



Corpus parvum, ovatum, glabriusculum, punctulatum. Color niger, 

 absque pictura. Epistoma declive. Antennas 7 -articulatce, clavatse; 

 articuli tertius et sequentes flageUum globosum tingentes ; octavus 

 setiformis, subterminahs. Scntellum inerme. Alarum areola dis- 

 coidalis venas 3 obsoletissimas fere usque in marginem iuteriorem 

 descendentes emittens. 



Body small, oval, wholly black, shining, almost bare. Epistoma 

 perpendicidar . Eyes dark green. Proboscis withdi-awn, shorter than 

 the head. Labrum small, robust, cylindrical, hollow beneath, dilated 

 at the base, obtuse and notched at the tip. Tongue acute, attenuated 

 from the base, half the length of the labrum. Maxillae filiform, long, 

 slender, acute, as long as the labrum. Palpi very minute, oblong, 

 cylindrical, subclavate, shghtly pilose, diverging. Labium large, oval. 

 AntenncB '^-jointed, hairy, porrect, approximate at the base, seated 

 rather low on the head, not far from the peristoma, diverging upwards ; 

 first and second joints veiy short ; first almost cylindrical ; second cya- 



