RAPHIGASTRID.E. 105 



verse smooth space ; hiudwardly greenish, the liiuder angles tipped 

 with black, the hinder sides broadly, and sometimes the posterior 

 margin narrowly, blood-red. Scutellum flat, greenish-ochreous, the 

 base raised, convex, sometimes greenish or reddish. Elytra : Corium 

 ochreous or greenish ; the inner and posterior margins (also the 

 Clavus) broadly blood-red ; posterior margin straight, outwardly 

 a little incrassated. Membrane transparent, light brown, with a 

 fuscous, triangular spot on the middle of the anterior margin j 

 of the 7 nerves the 4 outer ones spring from a curved cross nerve 

 derived from 2 short parallel ones, joined at their base and forming 

 a cell. Wings diaphanous, with a greenish, metallic lustre. Legs 

 ochreous ; tihUe greenish ; tarsi brown. 



Abdomen above black, the posterior margin of the 6th segment 

 narrowly red ; on the middle of the 4th segment two slight, longitu- 

 dinal diverging keels ; between them and on each side a slight furrow ; 

 on the 5th segment the two keels, still diverging, are continued, 

 and from their midst a stronger keel rises and is continued across 

 the 6th segment. Coimexivum yellow, on the 6th segment red, 

 acutely pointed posteriorly. In the ? the posterior margin of the 

 3rd genital segment is nearly straight. Underside reddish-ochreous, 

 the points of the 6th segment red ; the spine reaching to the second 

 pair of coxse. Stigmata black. 



Length, 4i — 5i lines. 



Common on birch trees, in October. 



Species 3. — Acanthosoma pictum. 



CiMEX LiTUEATUs, TFolf, Ic. Cim. U, t. 2, fig. 14 (1800)?; Fall. Mou. 



Cim. U, 4 (1807); Hem. Suec. 24, 4 (1829), 



uou Fab. 

 Acanthosoma picta, Newm. Ent. Mag. i, 287 (1833). 



— clypeata, Bum. Handb. ii, 361, 7 (1835). 



— LiTURATUM, H. Schf. Nom. Eut. i, 57 (1835); Ball. 



Trans. Eut. Soc. i, n. s. 112, 3 (1851). 



— PiCTiPENNE, Curt. Trans. Ent. Soc. i, n. s. 271 (1852). 

 Cypiiostethus lituratus, Fieb. Europ. Hem. 328 (1861). 



Elliptic, long-angled in front, glossy apple-green, delicately, con- 

 colorously punctured ; hinder angles of the pronotum scarcely 

 produced, rounded ; hinder sides broadly blood-red. Corium 



