1912] Cockerell — New Bees from Brazil 53 



up orbit; scape not enlarged, black with the basal two-thirds yellow in front; yellow 

 markings of thorax nearly as in male, the two stripes on mesothorax well-developed, 

 but the tubercles are entirely dark, the pleura has no yellow mark, the yellow band 

 on scutellum is broadly notched behind, and the yellow of the metathorax is re- 

 duced to an irregular mark shaped rather like an agaric, at each side of the enclosure; 

 tegulse rufofuscous, with a very small yellowish spot; legs black, anterior pair with 

 a yellow stripe from near middle of femora nearly to end of tibiae; middle legs with 

 a yellow patch on apex of femora and base of tibia>, hind legs with a yellow mark 

 at end of femora; anterior and middle tarsi thick, with reddish hair; posterior 

 knee-plate large, long-oval, covered with dark reddish hair; long hair of hind tibiae 

 and basitarsi white on outer side, shining yellowish-white on inner side of tibiae, 

 dark fuscous on inner side of basitarsi; both tibial spurs of hind legs large; apical 

 plate of abdomen with fine concentric striae; apical hair chocolate, but ventral 

 segments fringed ^ith white hair; venter all black. 



Hah. — Independencia, Parahyba, Brazil, 2 males, 1 female 

 {Mann & Heath) . This is the third known species of Caenonomada. 

 It is close to C. bruneri Ashm., but easily separated by the presence 

 of large yellow stripes on the mesothorax in both sexes, and other 

 details of the markings. From Ccenonomada pluricincta {Tetra- 

 pedia 'plnricinda Vachal), from Goyaz, it is separated by the yellow 

 markings of the thorax, the color of the legs, etc. Vachal suggests 

 that Epicharis unicalcarata Ducke may also prove to belong to 

 Ccpnonomada. Vachal protests against the use of Ashmead's 

 generic name Ccenonomada, on the ground that the description was 

 insufficient, and the insect was placed in the wrong family. I 

 believe, however, that Ccenonomada must be considered to have 

 been established according to the rules, although one could ^ish 

 it were possible to adopt instead Holmberg's Chacoana, which was 

 well-defined and well understood by its author. 



Psaenythia canina sp. nov. 



Male. Length about 8 mm.; black with bright lemon-yellow markings, no red 

 on head, thorax or abdomen; head extremely broad, eyes diverging below; clypeus 

 with long pointed lateral lobes; clypeus (except two dots and lower margin), a large 

 quadrate area (twice as broad as long) on labrum, broad lateral face-marks shaped 

 like the mainsail of a schooner, large dog-ear marks, and an elongated mark on upper 

 part of cheeks, all yellow; supraclypeal area and scape entirely black; flagellum 

 ferruginous beneath, darkened basally; mandibles long and slender, the basal half 

 yellowish, the apical red; front rugose, cheeks shining; mesothorax shining, very 

 finely and closely punctured; upper border of prothorax, tubercles and a spot 

 behind them, a pair of oblique marks extending over axillae and side of scutellum, 

 a stripe on postscutellum, and two marks near the middle of the base of meta- 



