SCUTELLEROIDEA OF IOWA 49 
a tooth anterior to the sinus. Scutellum large, almost entirely covering 
the dorsal part of abdomen; frenum usually very short. 
Tribe Popopini (Dallas) 
Head produced, forming a triangle with the prothorax, its central lobe 
generally reaching the anterior margin. First segment of rostrum not ex- 
tending beyond bucculae. Eyes prominent and more or less pedunculated. 
Antennae with fifth segment incrassate, about twice as heavy as the fourth; 
second segment shorter than third; apex of antennal tubercles produced 
into a somewhat obtuse, slightly acute process. Thorax hexagonal. Mar- 
gins of scutellum parallel. Hemelytra straight, not folded in at base of 
membrane, the outer part of the coriaceous portion exposed. Frena absent 
or very short. 
Three North American genera are placed in this tribe while 
but one of these occurs in lowa. 
Genus PODOPS Laporte de Castelnau 
1832. Popors Laporte de Castelnau, Essai. Classif. Syst. Hém., 
72. 
Apex of antennal tubercles conspicuous beyond sides of head and armed 
with a curved spine. Juga thin, a little longer than tylus. Anterior angles 
of pronotum armed with a short acute tooth. 
, Subgenus Amaurochrous Stal 
1872. Amaurochrous Stal, Svensk. Vet. Handl., 10, no. 4, 15. 
Key to the species 
Lateral tooth of pronotum large, obtuse, the anterior mar- 
gin arcuate; tylus somewhat elevated towards apex; juga 
less concave dorsally ; size larger; length, 6.5-7.0 mm.. .cinctipes 
Lateral tooth of pronotum short, acute, the anterior mar- 
gin nearly straight; tylus less elevated towards apex, 
the juga more nearly contiguous over its depressed tip; 
pizemsmealien leneth, 9.05.0) Mm. 0. ..60. 60-2 eee parvulus 
Podops cinctipes (Say) (PuatE V, Fieure 5) 
1828. Tetyra cinctipes Say, Amer. Ent., III, 94, Pl. 43, lower right fig. 
1839. +Podops dubius Germar, Zeitschr. Ent., I, 64. 
1839. +Podops dubius H.-S., Wanz. Ins., V, 44, fig. 495. 
"1859. Tetyra cinctipes Say, Compl. Writ., I, 94, Pl. 43, fig.4. 
1867. Scotinovhara cinctipes Stal, OEfv. Vet. Ak. Forh., XXIV, 502. 
1872. Podops cinctipes Stal, Svensk. Vet. Handl., 10, no. 4, 15. 
1904. Podops cinctipes Van Duzee, Trans. Am. Ent. Soc., XXX, 22. 
Body elongate oval, narrowed behind, somewhat flattened, more convex 
below than above. Color above dull testaceous to brownish with rather 
