278 Mr. T. D. A. Cockerell — Descriptions and 



Crocisa calceata, Vachal. 



Grangezielit, S. Africa, Nov. 30, 1907 (C. K. Brain). 

 This agrees exactly witli one collected by Dr. Braims at 

 Bothaville, Orange Free State, March 10, 1899. 



Diant/tidium ehrhorni (Cockerell). 

 Gro«sraont, near San Diego, California (C. H. Richardson). 



Dianthidium tegwaniense, sp. n. 



5 . — Length about 7 mm. 



Kobust, black, marked with lemon-yellow; pubescence 

 scanty, white, ventral scopa glittering creamy white ; labrum 

 and mandibles black, mandibles with strong deep oval punc- 

 tures ; clypeus yellow, with the lower margin black, mnuitely 

 nodulose ; a black sutural band extends over upper margin 

 of clypeus and lialfway down sides, and connects with a 

 broad, rather bottle-shaped, median black band which divides 

 the supraclypeal yellow into two halves; otherwise the 

 supraclypeal area, "as well as sides of face, yellow up to level 

 of anteuiuc, and the lateral face-marks extending upwards 

 as narrowing bands, which end in a point on orbital margin 

 above middle of front ; flagellura rufo-piccous beneath ; 

 head and thorax above very densely and strongly punctured ; 

 scutellum with a projecting edge, obtusely emarginate ; the 

 angular tu1)crcles marked with yellow and a light yellow 

 mark beneath and behind wings, but thorax otherwise 

 black ; tegulie piceous, Avith a broad light reddish margin, 

 and a yellow spot in front. Wings strongly dusky, b. n. 

 meeting t.-m., second r. n, going beyond second s.m. Legs 

 black at base, but femora otherwise red, the anterior and 

 middle ones with a broad yellow band beneath ; tibije and 

 basitarsi yellow on outer side, i'crruginoiis on inner, the hind 

 tibiai clouded with dusky within ; hind basitarsi very broad ; 

 small joints of tarsi ferruginous ; first three abdominal 

 segments black, with broad yellow widely interrupted 

 ba'iids, confined io the lateral thirds or less; band on fourth 

 segment narrowly interrupted ; fifth segment yellow except 

 the ferruginous hind margin, sixth segment yellow ; venter 

 (beneath the scopa) ferruginous, with narrow dark bands. 

 Ilah. Tegwani, S. Africa, Jan. 5, I'JO!) {C K. Brain) 

 In Friesc's table of Antkidium (' Die Jiicnen Afrikas ) 

 this runs close to A. cordalum and A. truncatum, but is easily 

 distinguished by the markings. D. tetjivuniensc belongs to 

 the subgenus Anl/iulieltum. 



