Passaloecus. 367 



Diodontus tristis Thomson, Hymen. Scandin. III. 1874 p. 196 n. 2, Q (J. 

 Diodontus tristis Ed. Saunders, Trans. Entom. Soc. London 1880 p. 256 n. 3, Q (J. 

 ? Diodontus tristis Ed. Andre, Spec. Hymen. Europe III. P. 30. 1888 p. 219, Q (J. 

 Diodontus tristis K.ohl, Ann. naturh. Hofmus. Wien V. 1890 p. 60, Q (^. 

 Diodontus tristis Ed. Saunders, Hymen. Acul. Brit. Isl. P.3. 1893 p.96, 2<5; T. 13F.6 (g;. 



PASSALOECUS 



Shuckard, Essay indig. Fossor. Hymen. 1837 p. 188 n. 25. 

 nc(aaaXo^, paxillus; oixo^, domus. 

 Synon.: Diodontus Curtis, Kennedy. 



Pemphredon Say, Lepeletier, Cresson. 

 Sphex Ratzeburg. 

 Suhg.: Coeloecus Verhoeff, Entom. Nachr. XVL 1890 p. 383. 

 xolXos, cavus; oixio), habitare. 

 Heroecus Verhoeff, Entom. Nachr. XVL 1890 p. 383. 



Ti^oig, heros; olxioi, habitare. 

 Xyloecus Shuckard, Essay indig. Fossor. Hymen. 1837 p. 118. 

 ^vXoy, lignum; olxiu), habitare. 

 abnormis Kohl — Q — Car. 



Passaloecus abnormis Kohl, Verh. zool. bot. Ges. Wien XXXVIII. 1888 p. 726 nota, ^. 

 anunlatns Say — Q S — Am.: United States. 



Pemphredon annulatus Say, Boston Journ. Nat. Hist. I. P. 4. 1837 p. 379 n. 2, Q ^. 

 Pemphredon annulatus Leconte, Writ. of Th. Say Entom. 11. 1859 p. 761 n. 2, g (J. 

 Passaloecus annulatus Packard, Proc. Entom. Soc. Philadelphia VI. 1867 p. 395, 2 (J. 

 Passaloecus annulatus Cresson, Trans. Amer. Entom. Soc. IV. 1872 p. 227. 

 Passaloecus annulatus Fox, Trans. Amer. Entom. Soc. XIX. 1892 p. 318 n. 1, Q (J. 

 borealis Dahlb. — Q ^ — Eur. fere tota. 

 Passaloecus borealis Dahlbom, Hymen. Europ. I. 1845 p. 247 n. 147 & p. 505 n. 5, Q (5. 

 Passaloecus borealis Taschenberg, Zeitschr. f. d. ges. Naturw. XII. 1858 p.95&96n.4,Q(5. 

 Passaloecus borealis Schenck, Jahrb. Ver. Naturk. Nassau XVI. 1861 p. 159, 2 ^. 

 Passaloecus borealis Brischke, Schrift. phys. okon. Ges. Konigsberg II. 1862 p. 103, (J. 

 Passaloecus borealis Taschenberg, Hjonen. Deutschl. 1866 p. 188 n. 4, Q. <^. 

 Passaloecus borealis Rudow, Soc. entom. II. 1887 p. 122. 

 brevicomis Mor. — 2 (5 — Eur. fere tota. 



Pemphredon insignis v.d. Linden,Nouv.mem. acad. sc.BruxellesV. 1829p.79n.3, (5[excl.Q]. 

 Passaloecus gracilis Shuckard, Essay indig. Fossor. Hymen. 1837 p. 190 n. 2, ^ ^. 

 Passaloecus insignis Dahlbom, Hymen. Europ. I. 1845 p. 248 n. 148 & p. 505 n. 7, <2 (5 

 ? Pemphredon insignis Lepeletier, Hist. nat. Insect. Hymen. III. 1845 p. 96 n. 3, Q (J 

 Passaloecus insignis Wesmael, Bull. acad. sc. Belgique XIX. P. 1. 1852 p. 285 n. 4, Q(5 

 ? Passaloecus insignis Schenck, Jahrb.Ver. Naturk. Nassau XII. 1857 p. 140 & 143 n.5, Q(5 

 Passaloecus insignis Taschenberg, Zeitschr. f. d. ges. Naturw. XII. 1 S5S p. 95 & 96 n. 6, (5 

 ? Passaloecus insignis Brischke, Schrift. phys. okon. Ges. Konigsberg II. 1862 p. 103, Q (5 

 Passaloecus brevicornis A.Morawitz,Bul]. acad. sc.St.PetersburgVII. 1864p.462nota,Q(5 

 Passaloecus insignis Taschenberg, Hymen. Deutschl. 1866 p. 189 n. 6, i^. 

 Passaloecus brevicornis Thomson, Opusc. entom. P. 2. 1870 p. 237 n. 2, Q (J. 

 Passaloecus brevicornis Thomson, Hymen. Scandin. III. 1874 p. 199 n. 2, Q. (J. 

 Passaloecus insignis Ed. Saunders, Trans. Entom. Soc. London 1880 p. 258 n. 2, Q (J. 

 Passaloecus brevicornis Verhoeff, Verh. naturh. Ver. preuss. Rheinl. XLVIII. 1891 p. 8-9 



[n.S, 9(5;T. 1F.5. 

 Passaloecus insignis Ed. Saunders, Hymen. Acul. Brit. Isl. P. 4. 1893 p. 97 & 98, Q ^. 



