350 Isosoma. 



sabfuiuatum Walk. — (5 — Afr. : Madeira. 



Isosoma subfumata Walker, Notes on Chalcid. P. 2. 1871 p. 2G, ^. 

 teuuicorue Walk. — 5 — Eur. : Britannia. 



Isosoma tenuicorne Walker, Entom. Magaz. I. 1S32 p. 19 n. 15, (5- 

 tenuipes Walk. — (5 — Patria? 



Isosoma tenuipes Walker, Notes on Chalcid. P. 1. 1871 p. 15, (J. 

 tibiale Walk. — Q — Eur. : Britannia. 



Isosoma tibialis Walker, Notes on Chalcid. P. 1. 1871 p. 16, Q. 

 tritici (Fitch; Ril.'; — Q d — Am.: United States. 



Eurytoma tritici A. Fitch, Journ. New York State Agric. Soc. X. 1859 p. 115. 



Eurytoma tritici A. Fitch, 6th-9th Rgp. In.sects New York 1865 p. 144; T. 1 F. 1. 



Isosoma hordei Walsh & Riley, Amer. Entomol. I. 1869 p. 149-158; Fig. 113. 



Isosoma hordei Walsh & Riley, Araer. Entomol. & Botan. II. 1870 p. 296-297. 



Isosoma hordei Walsh, Amer. Entomol. & Botan. II. 1870 p. 329 & 330; Fig. 3 & 4. 



Dccatoma basilaris Provancher, Natural. Canad. XII. 1881 p. 290, 2 c5- 



Isosoma tritici Riley, Amer. Natural. XVI. 1882 p. 247, 1017 & 1018; Fig. 1. 



Isosoma tritici Riley, Rep. Entomol. Dept. Agric. 1882 p. 183-187; T. 12 F. 3. 



Isosoma tritici Riley, Rural New Yorker 1882 March 4. 



Isosoma triticiS.A.Forbes,13thRep.StateEntomol.Illinoisf. 1883. 1884 p.30-40;T.2F.3&4. 



Isosoma tritici S. A.Forbes, 14th Rep. State Entomol. lUinois f. 1884. 1885p. 36 n. 2; T. 1 F. 5. 



Isosoma tritici Riley, Rep. Entomol. Dept. Agric. 1884 p. 383-387, Q. 



Isosoma tritici W^ebster & Riley, Rep. Entomol. Dept. Agric. 1885 p. 311. 



iBosoma tritici Riley, Rural New Yorker XLIV. 1885 p. 418; Fig. 216. 



Decatoma basilaris Provancher, Faun. entom. Canada. Hymen. 1883 p. 569, g (J. 



Isosoma nigrum A. J. Cook, Amer. Natural. XIX. 1885 p. 804-808, Q (J; Fig. 1-4. 



Isosoma tritici Riley, Rep. Entomol. Dept. Agric. 1886 p. 539. 



Isosoma tritici Webster & Riley. Rep. Entomol. Dept. Agric. 1886 p. 573. 



Isosoma tritici Provancher, Addit. faun. Canada. Hymen. 1887 p. 195 n. 2, g ^. 



Isosoma tritici Webster, BuU. U. S. Nat. Museum XXII. 1890 p. 42. 



Isosoma tritici Howard, Joint-worm Flies 1896 p. 17, Q ^; Fig. 7. 

 Tacillans Walk. — <5 — Eur.: Britannia. 



Isosoma vacillans Walker, Entom. Magaz.*IV. 1836 p. 23, ^. 

 verticillatum Fabr. Thoms. — Q (J — Eur. : Britannia, Suecia, Germania. 



Ichneumon verticillatum Fabricius, Suppl. entom. system 1798 p. 232 n. 235 & 236. 



Diplolepis verticillata Fabricius, Syst. Piez. 1804 p. 153 n. 23. 



Diplolepis ? verticillata Klug, Magaz. Ges. naturf. Fr. Berlin I. 1807 p. 75 n. 23. 



Diplolepis vcrticillata Spinola, Insect. Ligur. II. 1808 p. 228. 



Eurytoma vcrticillata Spinola. Ann. mus. hist. nat. XVII. 1811 p. 151. 



Isosoma longulum Walker, Entom. Magaz. I. 1832 p. 14 n. 2, Q (J. 



Eurytoma verticillata Nees, Hymen. Ichneum. affin. Monogr. II. 1834 p. 41 n. 3 & p.416. 



Eurytoma verticillata Boheman, Svensk. Vet.-Akad. Handl. LVI. 1835 p. 251 n. 26, ^. 



Eurytoma verticillata Blanchard, Hist. nat. Insect. III. 1840 p. 259 n. 3. 



Eurytoma verticillata Ratzeburg. Ichne\im. d. Forstinsect. I. 1844 p. 174 n. 5, (5- 



Isosoma verticillata Thomson. Hymen. Scandin. IV. P. 1. 1875 p. 54 n. 1, g (J. 

 VOlux Walk. — $ (5 — Austr.: Tasmania. 



Eurytoma Volux Walker, Monogr. Chalcid. II. 1S39 p. 3 n. 3, Q. 



Eurytoma Eleuther Walker, Monogr. Chalcid. II. 1839 p. 3 n. 5, ^. 



Isosoma Volux Walker, List HjTnen. Brit. Mus. Chalcid. I. 1846 p. 12, Q <5- 



V Elymus americanus, Bromus ciliatus (Howard;. 



