﻿138 PROCEEDINGS OF THE NATIONAL MUSEUM vol. lOO 



1947, H. and M. Townes (Townes). 9 , Huachuca Mountains, 

 Ariz., July 8, 1932, J. D. Beamer (Townes). 9 , Douglas County, 

 Kans., June 20, 1922, W. J. Brown (Lawrence). The specimens 

 taken by the author were all flying around shrubs in Sonoran desert 

 habitats. They were secured while on a collecting trip supported by 

 a grant from the American Philosophical Society. 



7. RHYDINOFOENUS TURBINATUS, new species 



Occipital carina sharply reflexed, tegula ferruginous; front and middle 

 tibiae with an external white stripe; pronotum about 1 .2 as long as width 

 of mesoscutum. 



Forewing about 5.5 mm. long; top of head with very fine punctures, 

 not at aU wrinkled; temple short, almost flat; head about 0.40 as wide 

 at the occipital carina as at the eyes; occipital flange separated from 

 head by a sharp groove, sharply reflexed, about 0.12 as wide as the 

 flagellum, unsculptured; propleurum about 1.2 as long as the width of 

 the mesoscutum, irregularly finely punctatorugulose and medially 

 with transverse or irregular rugosity; lateral lobe of mesoscutum 

 polished, with numerous fine punctures and rather closely spaced 

 coarse deep punctures; ovipositor sheath about 2.1 as long as the fore- 

 wing. 



Blackish. Apical part of clypeus, mandible, apical three segments of 

 female flageUum, tegula, and abdominal markings brownish ferrugi- 

 nous; fore and middle legs shading from light brown apically to dark 

 brown basaUy, their tarsi largely white and their tibiae white exter- 

 nally ; hind tibia with a subbasal white mark ; hind basi tarsus with its 

 apical 0.7 ± white; second to sixth abdommal segments brownish 

 ferruginous with the basal 0.65 ± of the second and third tergites 

 Lnfuscate; apical 0.15 ± of ovipositor sheath white. 



Type: U. S. N. M. No. 58830, 9, Post Creek Canyon, Pinaleno 

 Mountains, near Fort Grant, Ariz., July 15 to 18, 1917 (Washuagton). 



Paratypes: 29, same data as type (Cambridge and Townes). 2cf , 

 Horseshoe Canyon, Chiricahua Mountains, Ariz., at 6,000 feet 

 (Washington). 



8. RHYDINOFOENUS FLORIDANUS (Bradley) 



Occipital carina fiharply reflexed; tegula ferruginous; front and middle 

 tibiae fulvous , whitish basally. 



Forewing about 6.0 mm. long; top of head with fine close punctures; 

 temple rather weakly convex; head about 0.39 as wide at occipital 

 carina as at eyes; occipital flange separated from the head by a 

 sharp groove, sharply reflexed, about 0.12 as wide as the flagellum, 

 unsculptured; propleurum about 1.2 as long as the width of the meso- 

 scutum, with small weak pimctures ard medially mth rather coarse 



