HblinPTEKA niiTEROPTERA. 155 



Black, shining, elliptical. Head eloiigate-lrianffular. Eyes not 

 prominent. Antennce setaceous, a little more than half the lenfrth of the 

 liody; second joint stout; third ahout half the length of the fourth, which 

 is a little shorter than the second. Prolhorax short, smooth, nearly flat. 

 Legs slender; tihis and tarsi lawny. Winiis cinereous, extending rather 

 beyond the abdomen. Fore wings white at the base. Length of the body 

 i line. 



a. Madeira. From Mr. Wolluston's collecliou. 



Genus 0. PIEZOSTETHUS. 



Piezostethus, Fieb. Wien. Eat. Mon. iv. ; Eur. Hem. 139. DougL and 

 Scoll, Hem. oOO. 



1. Piezostethus galactinus. 



Anlhocoris galactinus, Fleh. Weil. Beilr. i. 107— Anthocoris pulchellus, 

 Zell. Ins. Lapp. 265 — Xylocoris alhipennis, H.-Sch. Wanz. Ins. ix. 

 171, pi. 315, f. 97L Bar. Enl. Znl. Sleil. ii. 194. Flor. Rki/n. Liv. 

 i. 669 — Piezostethus galactinus, Fieb. Wien. Ent. Mon. iv. 265 ; Eur . 

 Hem. 139. DougL and Scott, Hem. 500. 



Europe. 



2. Piezostethus foiimicetorum. 



Anthocoris formicetorum, Boh. K. Vet. Ak. 1R44, 158 — Xylocoris formice- 

 torum. Bar. Berl. Ent. Zeit. ii. 195 — Xylocoris formeticicola, Sahib. 

 Geoc. f. 82 — Piezostethus formicetorum, Fieb. Eur. Hem. 139. 



North Europe. 



3. Piezostethus rufipenxis. 



Xylocoris rufipennis, L.-Duf. A. S. E. F. ii. 106. Biirm. Handb. Ent. ii. 

 290. Flor. Rhyn. Liv. i. 608 — Piezostethus rufipennis, Fieb. Eur. 

 Hem. 139. Dougl. and Scott, Hem. 501 — Xylocoris bicolor, Scholz, 

 Arb. Ver. 1846 — Xylocoris latior, Muls. Ann. Sac. Linn. 1852, 106 — 

 Xylocoris obliquus, Costa, Cent. 1852 — Piezostethus bicolor, Fieb. 

 Eur. Hem. 139. 



Europe. 



4. Piezostethus maculipennis. 



Xylocoris maculipennis, Biir. Berl. Ent. Zeit. ii. 197 — Piezostethus 

 maculipennis, Fieb. Eur. Hem. 140. 



Spain. 



5. Piezostethus Cenomyces. 

 Xylocoris Cenomyces, Bar. Berl. Ent. Zeit. ii. 195, 



