26 STRATIOMID^E. 



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

 black 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 

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

 cinctis. Long. %\ ; alar. 4 lin. 



Bluish-black. Proboscis and antenna black. Thorax with a white 

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

 Halteres yellow. Abdomen with 3 rows of tawny spots, which are con- 

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

 a black band on each hind tibia. 



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



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

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

 basi fulvis. Long. \\ ; alar. 3 lin. 



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

 and tarsi tawny towards the base. 



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



Genus VII. PACHYGASTER. 



PACHYGASTER, Mg. kl. i. 146 (1804) ; Mq. ; Ct.; Duf.; Ztt. Fappo, 

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



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

 absque pictura. Epistoma decline. Antennas 7-articulatae, clavatae ; 

 articuh' tertius et sequentes flagellum globosum fingentes ; octavus 

 setiformis, subterminah's. Scutellum inerme. Alarum areola dis- 

 coidalis venas 3 obsoletissimas fere usque in marginem interiorem 

 descendentes emittens. 



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

 perpendicular. Eyes dark green. Proboscis withdrawn, shorter than 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, slightly pilose, diverging. Labium large, oval. 

 Antenna %- jointed, hairy, porrect, approximate at the base, seated 

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

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



