ee 
PLATE XXIL 
tp Ot he? TUM OS AG 
Sra TiPpusa. 
DIPTERA. 
GENERIC CHARACTER. 
Head long, Palpi four, curved. Trunk very fhort. 
SPECIFIC CHARACTER. 
Brown. Thorax greenifh. Eyes black. Fore legs longeft. Wings 
fhorter than the abdomen. 
{s found in the month of April near marihes, and has been fre~ 
quently miftaken for the common Gnat. 
