29 Hemiptera-fleteroptera. 
of the elytra extending only for about two-thirds of their 
entire length from the base. 
L. 3-4 mm. 
Chobham, Bromley; Mablethorpe, Lincolnshire, 7. V. 
Wollaston; sandhills Yarmouth, scarce, Norwich, Hdwards ; 
Sandown, Champion. 
PENTATOMINA. 
1. Sides of the thorax foliaceous F ; . Scrocoris. 
(1) 2. Sides of the thorax not foliaceous . 
3. Head pointed in front, and from a sideways 
view much arched downwards 3 
(5) 4. Head elongate, much attenuated in front. . AULA. 
(4) 5. Head short, subtriangular. : NEOTTIGLOSSA,. 
(3) 6. Head nearly horizontal, rounded or ie 
truncate in front : 
(10) 7. Second abdominal segment theaeaeh witha a 
tubercle or process directed anteriorly 
(9) 8. Process elongate, reaching to the inter- 
mediate coxe, pronotum with the sides 
simple. : PiEzoporvs. 
(8) 9. Second abdontinel Sepmiene with daly a a 
slight tubercle in front, sides of the pro- 
notum produced near the posterior angles . 'TRoriconis. 
(7) 10. Second abdominal segment simple 
) 11. Head concave, its margins raised A . MSTRACHIA. 
(11) 12. Head not concave, its margins not raised . 
) 18. Species not very short and robust and 
small; orifice of the odoriferous sac pro- 
longed exteriorly into a transverse groove . 
(15) 14. Head somewhat pointedly rounded in front, 
central lobe of the face enclosed bythecheeks. Prripauvs, 
(14) 15. Head subtruncate, or bluntly rounded in 
front, central lobe free . : F F . PENTATOMA. 
(13) 16. Species very short and robust, small, 
orifice of the odoriferous sac short, not pro- 
longed into a groove. : : : . HEysarconis. 
SCIOCORIS, Full. 
This genus is one of the most puzzling of the European 
