62 
11. 
12. 
13. 
14. 
15. 
16. 
17. 
IOWA STUDIES IN NATURAL HISTORY 
Juga longer than tylus and contiguous or nearly so ante- 
riorly ; head very convex on dorsal surface; apex of corium 
broadly rounded <.. 32): 35325) Neottiglossa (10) 
Juga not or scarcely longer than tylus, not approaching 
anteriorly; head only slightly convex on dorsal surface; 
apex of corium with a distinct angle...... Trichopepla (2) 
Tibiae plainly suleate above for their entire length..... 13 
Tibiae nearly or quite cylindrical. (23571. -.5)ee ee 15 
Lateral margins of pronotum crenulate; lateral angles 
prominently rounded or pointed; head elongate 
Euschistus (7) 
Lateral margins of pronotum entire; lateral angles round- 
ed but not prominent; head, including eyes, wider than 
TONG 6 ee OE A AC nee 14 
Form elongate; olive green in color; second and third seg- 
ments of rostrum of about equal length, the fourth short- 
SS De ee es TMG MIA Tileg WN NUN Ue ora or a Rhytidolomia (3) 
Form broader; clear green in color; second segment of 
rostrum longer than third, the latter equal to the fourth 
SHE a leew ceria ee RE yee) (mii | genie na Chlorochroa (4) 
Thorax unarmed; basal segment of rostrum longer than 
bucculae: form: broad <2... 4¢32 43a Mormidea (5) 
Thorax armed with a long, sharp anteriorly projecting 
spine at lateral angles; basal segment of rostrum shorter 
than, bucculae; form long, narrow............ Solubea (6) 
Juga longer than tylus, contiguous or almost contiguous 
anteriorly; general color ochraceous; smaller in size 
Dendrocoris (18) 
Juga sometimes a little longer than tylus but not contig- 
uous anteriorly; general color some shade of green; aver- 
acing. larger In SIZe... oe ie be eke ee ee 17 
Fifth segment of antennae more than twice as long as sec- 
ond; greenish or olive greenish in color with apex of scu- 
tellum and anterior half of pronotum lghter..Banasa (17) 
Fifth segment of antennae less than twice as long as sec- 
ond; clear green in color with apex of scutellum and ante- 
rior half of pronotum concolorous...... Acrosternum (16) 
