24 PROCEEDINGS OF THE NATIONAL MUSEUM vol.75 



28. Fasciae on tergites simply interrupted (rarely broken on third tergite into 



lateral and discal spots) : 29. 



Some or all of the fasciae on tergites broken into lateral and discal spots__30. 



29. Sixth tergite with evident median carina extending the length of the ter- 



gite ; posterior tibiae black with silvery pubescence; labrum yellow. 



vivida. 



Median carina on sixth tergite reduced or wanting ; posterior tibiae marked 



with yellow ; labrum with median black stripe _ dives. 



30. Posterior tarsi almost wholly yellow : mesopleura wholly yellow 31. 



Posterior tarsi almost wholly black; mesopleura not wholly yellow, only 



maculated pantherina. 



31. Scutellum lacking pubescence, very finely punctured with a few scattered 



larger punctures ; labrum yellow ; discal stripes on scutum narrow_andrei. 



Scutellum pubescent (at least at sides), uniformly and rather coarsely 



punctate ; labrum with black central stripe ; discal stripes on scutum 



broad maculata. 



STICTIA TRIFASCIATA, new species 



Figure 72 



Type (male). — Black: longitudinal lateral stripes on labrum; 

 apical line on clypeus joined to a median vertical line to base of 

 same; pair of minute spots between antennae; narrow line on scape 

 below; narrow anterior orbits; very narrow posterior orbits; broad 

 fascia with short sharp prolongation at its posterior middle on scu- 

 tellum; fascia on metanotum; broad curved fascia on propodeum; 

 conspicuous, widely separated lateral spots on tergites 1-5, decreasing 

 in size from one to five ; minute lateral spots on sternite three ; narrow 

 stripe on anterior Ijorder of tibia and tarsus of first pair of legs; 

 small spot at distal end of femora of middle and posterior legs; 

 yeUov}, The flagellum is black and segments 6, 10, 11, and 12 bear 

 prominent pits below, the excavation on 6 being best developed. 

 Segments 7 to 9 bear shallow pits and are somewhat rounded out 

 below. 



This species, which in Handlirsch's key runs to Monedula heros, is 

 remarkable for the presence of the three yellow bands on the thorax 

 and propodeum. These are unusually well developed; yet, aside 

 from these, the thorax and propodeum are entirely black. The spots 

 on the tergites are vvell developed but are widely separated and the 

 ventral surface is wholly black except for the small pair of spots 

 on the third sternite. The wings are slightly infumated, due to the 

 fact that the veins are bordered by a slightly infumated area, 

 particularly evident on the anterior pair. 



Length 26 mm. Described from a single mule from Sapucy, Para- 

 guay, South America. 



Type (male).— Cat. Xo. 40849, U.S.N.M. 



