REVISIONARY CLASSIFICATION OF RUTILIINI 147 


mentum 
12 13 15 

prosternal 
prosternum membrane 
edge of coxa 

18 
16 17 

sternopleuron 

19 20 
/ Fics 12-20. Taxonomic characters used in the text. 12 & 13, two forms of proboscis 
| found in Rutiliini: (12) mentum in profile with subparallel upper and lower edges, (13) 
mentum in profile distinctly tapering apically. 14 & 15, two forms of buccal opening (oral 
cavity) found in Rutiliini: (14) short broad buccal opening of most forms, (15) long 
| narrow buccal opening of Prodiaphania and Foymodexia (both drawn from females: 
buccal opening of males relatively slightly narrower in bothtypes). 16 & 17, vestiture 
| of inner anterior surface of fore coxa in (16) Foymosia s. str. (almost whole surface haired) 
and in (17) other Rutiliini (bare on inner part). 18, hairing of prosternal membrane 
| found in many forms. 19 & 20, extent of hairing on pteropleuron in (19) subgenera 
Chrysovutiia and Ameniamima, and (20) in other Rutiliini (hairing of sternopleuron 
omitted). 
