1.^ 



98 



mass, and bears some fine bristles. Palpi long, terminal joint ex- 

 tremely so, with the basal hairs very dense. Female. — Less ro- 

 bust. Fore wings opaque, except a space near the internal angle. 

 Antenna roughened, but not serrated, much thickened towards 

 the tips ; abdomen very long, pointed at the tip, ovipositor pro- 

 truding, compressed on its lower side into a small groove. 



^GERIA Pr.ESTANS. n. sp. 



Head black, with orange tuft on crown ; palpi bright orange. 

 Eyes brown ; a bluish metallic reflection in front. Thorax bronze 

 black, with orange stripe at the sides. Beneath, the thorax has a 

 pale orange patch below the base of the wings. Fore coxae 

 bronze black, with orange scales. Femora bronze black, tibiae 

 deep orange, the posterior pairs brightest in color. Tarsi buff 

 yellow. Abdomen bronze-black above, with faint traces of cop- 

 pery-red bands at the posterior edge of sixth segment. Beneath, 

 the sides and edges of four posterior segments coppery-red. Caudal 

 tuft also coppery-red, with the sides bronze. Fore wings above, 

 have the margins and discal mark, bright bronze. The trans- 

 parent space before the cell broadly edged with fiery red. Behind 

 the discal mark, the space is broadly streaked with the same color. 

 Internal margin a patch at base of primaries, and the costal margin 

 of hind wings also fiery red. Beneath, the markings are repeated, 

 but the red shade in more truly orange, and is diffused over the 

 whole of the opaque portions of the wing. 



Exp. wings, 23 mm. Length of body, 10 mm. 



I $ . Washington Ten (H. K. Morrison). 



Type, Coll. B. Neumoegen. 



^GERIA QUERCI. n. sp. 



Allied to Aig. nicotiana, Hy. Edw., but much more delicate 

 in aspect, and with the markings paler. Head and thorax bluish- 

 black, the former with bluish scales between the eyes. Antennae 

 brown black above, yellowish beneath. Palpi blackish-brown, 

 with the basal joints much enlarged. In Ag. iiicotiana, these 

 organs are golden yellow beneath, and do not present the swollen 

 appearance of the present species. Thorax with narrow lemon- 

 yellow line at sides. Collar and base also narrowly lemon yel- 

 low. Abdomen with the posterior edges of 3d, 5th, 6th and 7th 

 segments narrowly, and of the 4th broadly edged with lemon 

 yellow, the band of the last-named segment extending broadly 

 beneath. Caudal tuft rather broad, wedge-shaped, blackish, with 

 yellow hairs intermixed, and with the sides lemon yellow. Pectus 

 lemon yellow. Legs bluish-black, the tarsi and joints of femora 

 and tibiae whitish. Wings beneath, with costal margin and discal 

 spot, lemon yellow. 



Exp. wings, 8 mm. Length of body, 4 mm. 



From galls of " Live oak," Arizona. 



Type. Coll. Hy. Edwards. 



