FAM. XENID^E 



27 



2. Tribus PSE U DOX E N I N I, Pierce 



Pseudoxenides. Saunders. Trans. Ent. Soc. Lond. p. 40 (1872). 

 Pseudoxenini. Pierce, Bull. U. S. Nat. Mus. no. 66, p. i35 (1909). 



Characters. — This tribe is merely a loosely formed grouping to contain the two genera of 

 odynerid parasites until they are more completely denned. 



I. Genus PSEUDOXENOS, Saunders 



Pseudoxenos. Saunders, Trans. Ent. Soc. Lond. p. 44 (1872); Pierce, Bull. U. S. Xat. Mus. no. 66, 



p. i35 (1909); Proc. U. S. Nat. Mus. Vol. 40, p. 498 (1911). 

 Leionotoxenos. Pierce. Bull. U. S. Nat. Mus. no. 66, pp. 137, i38 (1909). 



Characters. — Male. — Head transverse, ej'es prominent. Mandibles elongate, cuneiform; 

 maxillae with second joint longer than first. Wings having eight primary veins from base, and with two 

 detached veins between radius and medius. Tarsi four-jointed, without claws. 



Female. — Cephalothorax broadly oval, unevenly rounded from base to apex, broadest behind 

 spiracles, angled at base of head, obtusely rounded at apex. Mandibles dentate, emarginate at apex. 



Triungulinid . — Head elongate. First eight abdominal segments short, but normal, ninth segment 

 elongate, as long as the three preceding, deeply emarginate for tenth; tenth segment hardly surpassing 

 the lateral prolongations of the ninth, apically provided with two contiguous stylet-bearing lobes. 



Type of genus. — P. schaumii, Saunders. 



Geographical distribution of species. — Parasites of wasps of the genus Odynerus. 



arvensidis, Pierce, Proc. U. S. Nat. Mus. Vol. 40, p. 499 (191 1). Illinois. 



corcyricus, Saunders. 



Paraxenos corcyricus. Saunders. Trans. Ent. Soc. Lond. p. 46 (1872). 

 Pseudoxenos corcyricus, Pierce, Bull. U. S. Nat. Mus. no. 66, p. 137 (1909). 

 erynnidis, Pierce, Proc. U. S. Nat. Mus. Vol. 40, p. 499 (191 1). 

 foraminati, Pierce, ibidem, p 499(1911). 

 fundati. Pierce, ibidem, p. 5oo(i9rr). 

 heydenii, Saunders. 



Xenos heydenii, Saunders, Trans. Ent. Soc. Lond. (2), Vol. 2, p. 17, pi. i5, 



if. 15-24 (i853). 

 P. heydenii, Saunders, Trans. Ent. Soc. Lond. p. 45 (1872); Pierce, Bull. 

 U. S. Nat. Mus. no. 66, p. 137 (1909). 

 histrionis. Pierce, Proc. U. S. Nat. Mus. Vol. 40, p. 5oo (191 1). 

 hooker i. Pierce. 



Leionotoxenos hooheri. Pierce, Bull. U. S. Nat. Mus. no. 66, p. i3g, text, 

 fig. 1 ; pi. 11, f. 2 11909). 

 jonesi, Pierce. 



Leionotoxenos jonesi. Pierce, Bull. U. S. Nat. Mus. no. 66, p. i38, pi. II, 

 f. 3 (1909). 

 klugii, Saunders. 



Xenos hlugii, Saunders, Trans. Ent. Soc. Lond. (2), Vol. 2, p. 18, pi. i5, 



f. 9-14 (i853). 

 P. klugii, Saunders, Trans. Ent. Soc. Lond. p. 45 (1872); Pierce, Bull. 

 U. S. Nat. Mus. no. 66, pp. i36, 137 (1909). 



1. P 



2. P 



3. P 



4. P 



5. P 



6. P 



7- P. 

 8. P 



9. P. 



10. P. 



Corcyra. 



Florida. 

 Illinois. 

 Illinois. 

 Epirus, Corcyra. 



Florida. 

 Texas. 



Louisiana, Texas. 



Epirus. 



