368 PROCEEDINGS OF THE NATIONAL MUSEUM vol.99 



Stephanus bicolor Westwood, Trans. Ent. Soc. London, ser. 1, vol. 3, p. 276, 1843. 



Fuither description. 

 Megischus floridanus Davis, Trans. Amer. Ent. Soc, vol. 24, p. 349, 1898. Type: 



$, Florida (Philadelphia). New synonymy. 



Head and pronotum, and often more of the bod}' ferruginous. 



Specimens. — Florida : $ , Biscayne Bay, A. T. Slosson (New York) . 

 9, Elliots Key (Washington). $, Enterprise (Washington). $, 

 Fort George, June 1883 (Washington) .39, Hilliard, August 19, 

 1930, J. Nottingham and R. H. Beamer (Lawrence and Townes). 

 9 , Key West, November 1945, H. L. Black (Washington). 9 , Long 

 Pine Key, March, Clench and Schevill (Cambridge). 9, Miami, 

 August 27, 1933, Frank N. Young (Gainesville). 9 , Miami Beach, 

 April 18, 1918, T. E. Snyder (Washington). $ , Paradise Key, Feb- 

 ruary 27, 1919, E. A. Schwarz (Washington). 9, Plymouth, Feb- 

 ruary 20, 1918, G. G. Ainslie (Washington). 9 , Florida (Washing- 

 ton). 



Louisiana: 9, Ruston, October 10, 1908, H. S. Smith (Washing- 

 ton). 



South Cakolina : 9 , Charleston, ISIay 24, 1934, J. C. Watts 

 (Townes) . 



No data: 9 (Washington). 



4. MEGISCHUS ARIZONICUS, new species 

 Plate 25, FiGtrsE 6 



Pronotum polished, strongly sioollen suhhasally, anteriorly with 

 a pair of high sharp carinae on each side (pi. 25, fig. 6) . 



Type female: Forewing 12.5 mm. long; temple polished, its lower 

 0.5 with sparse large shallow punctures; pronotum polished, with a 

 strong subbasal swelling that bears a few punctures, medially very 

 coarsely rugose, and apically with a strongly impressed area bordered 

 on each side by two sharp oblique ridges (pi. 25, fig. 6) ; mesopleurum 

 polished, with scattered large deep punctures separated by 1.0 or more 

 their diameter; propodeum polished, coarsely rugoso-punctate ; 

 brachial and subdiscoidal veins distinct; outer face of hind femur 

 polished, with a few shallow punctures; hind tibia sharply pinched 

 near the middle, just beyond which on each side is a blunt transverse 

 ridge and on the inner face an almost semicircular dip; apical half 

 of hind tibia swollen to about 0.7 the width of the hind femur; hind 

 basitarsus 4.7 as long as wide, a little expanded apically ; first tergite 

 4.5 as long as wide, polished, and with rather close cross ridges ; ovi- 

 positor sheath 1.1 as long as the body. 



Piceous. Cheek mostly stramineous; top half of head tinged with 

 ferruginous ; hind margin and hind corner of pronotum, tegula, knees, 

 trochanters, tarsi (the front tarsi missing), and propodeum except 



