191(3.] NATURAL SCIENCES OF PHILADELPHIA. 179 



Scarcely any geographic variation is found in the present species, 

 individuals from southern Florida are, however, as a rule slightly 

 more robust than those from Georgia. 



In the above series two males and eight females have a more or 

 less decided reddish suffusion on the dorsal surface of head, pronotum 

 and caudal femora. The series contains twenty-three males and 

 eleven females in the brown phase, and six males and twenty-eight 

 females in the green phase. As is true in C. viridifasciata, the 

 majority of males are of the former color phase, while the majority 

 of females are of the latter, a very much greater diversity in tone 

 and intensity of shade and marking is, however, found in the present 

 insect. 



The species is found abundant in colonies in very short grass of 

 fields, along roads and in uncultivated spots in and about towns. 

 When one specimen is flushed often a dozen or twenty will fly up, 

 then frequently others will not be seen for many yards. The flight 

 of this species is swift and is accompanied by quite a loud buzzing 

 sound. In sandy fields overgrown with short grasses on St. Simon's 

 Island, Georgia, and at Atlantic Beach, Florida., the insects were 

 present in great numbers. The species is known to be present in the 

 adult condition throughout the year over its entire range. 



The distribution of the present insect ranges from the Dry Tor- 

 tugas, Florida, northward to Savannah, Georgia, the most north- 

 western localities at which it has been found being Tifton, Albany 

 and Spring Creek, Georgia, and Ft. Barrancas, Florida. 50 



Encoptolophus sordidus (Burmeister). 



District of Columbia. Orange, VII, 21, 1913, (R. & H.), 



Washington, IX, 1883, 1 <?, [Hebard 1 J uv - <?t l J uv - ? • 



Cl n -]- North Carolina. 



Virginia. Greensboro, VII, 26, 1913, (R. & H.) r 



Fredericksburg, VII, 20, 1913, (R. & colony of very small voung found. 



H.), 1 juv. 9. Charlotte, VII, 27, 1913, (R. & H.), 



1 juv. 9. 



A very few immature examples are all the specimens of the present 

 species which were found by the authors in the southern Piedmont 

 region in late July; Morse secured but few examples of this insect 

 when working in this region in late August and early September. 

 Charlotte, North Carolina, is the most southern record for the present 

 insect, which is very scarce over all but the most northern portion of 



50 Morse's records of C. viridifasciata from Savannah, Tybee Island and Way-, 

 cros>. Georgia, and Carrabelle, Warrington and Fort Barrancas, Florida, are 

 properly referable to the present species. 



