283 



the bifurcations expanded as in Prosopis cressoni; see Metz's 

 paper, Tr. Am. Soc. XXXVII., pi. IV, fig. 53 etc. This group 

 is American, Austral, and European, and probably cosmopoli- 

 tan." 



LARRIDAE. 



7. Pison sp. 



8. Pison sp. 



9. Pison sp. 



VESPIDAE. 



10. Polistes hebraeus Fab. 



11. Polistes semiflavus Holm. 



12. Icaria luaiyinata Sauss ^=7. cagayaiunisis Aslim. 



EUMENIDAE 



13. Rhynchium brunneuin Sauss. 



BETHYLIDAE. 



14. Gonatopus sp. 



15. Scleroderma duarteanum n. sp. 



9 dimorph. Length 5mm. Black, smooth and shining, with a 

 delicate miscroscopic reticulation, and sparsely clothed with pale 

 golden hairs set in shallow punctures. Antennae 13-jointed, honey 

 yellow, outwardly fuscous, scape long, clavate and curved outwardly, 

 pedicel much shorter, obconic, funicle filiform, less than twice the 

 Fength of the scape, joints short and subequal except the last, which 

 is nearly twice as long as the preceding. Legs honey yellow, short 

 and stout, femora greatly swollen. 



Wings narrow with two short completely closed basal cells, 

 the basal nervure reaching the costa, the nervures brown and the 

 disc largely infuscate. 



Hab. Chance's ranch, Jigo, Guam. Described from 9 spe- 

 cimens bred from a coleopterous larva in cacao (Tlieohroma 

 cacao). Named for Cap't. P. Duarte. 



16. Parasierola cellularis Say. 



SCELIOXIDAE. 



17. CalotcWm elegans Perk. 



18. MacroteUia manilensis Ashm. 



19. Plafi/scelio vilroxi n. sp. 



^ Length about 4mm. Greatly flattened, with a sparse clothing 

 of fuscous hairs which is thicker on the fw'o last abdominal segments. 



