226 WILLIAM J. FOX. 



form, and like the two preceding groups, the head is hirge, wider 

 than thorax in the female. 



The pygidium is more distinct in the species having it striated 

 (simillima, etc.). In harpalyce and brazoria it is not much more 

 distinct than in the species of the preceding group. 



FEMALES. 



Body with a more or less dense, appressed pubescence ; pygidium not striated . . .2. 

 Body thinly pubescent, nude in greater part : pygidium striated 4. 



2. Head, thorax and abdomen above with dense fulvous pubescence, both ap- 



pressed and erect, that on fifth dorsal segment grayish ; pubescence 



of legs black harpalyce n. sp. 



Upper part of body less densely pubescent, the erect hairs wanting, that 

 of the legs grayish, as well as that segments 3 and following 3. 



3. Extent of red ground color variable, the head, thorax and second dorsal 



generally of that color, with appressed fulvous pubescence. 



inoutiva$;a Cress. 



Only the second dorsal red, with fulvous pubescence: liead and thorax deep, 



black * montivaga var. [=brazoria Blake). 



4. Head large, transverse, wider than thorax ; pygidium with longitudinal 



strige 5. 



Head about as wide as thorax, subrounded behind; pygidium with diverging 

 strisB (femora reddish ; no spots on second dorsal) a^etis n. sp. 



5. Width of thorax anteriorly equalling the length of its dorsal surface ; head 



very large, subquadrate ; legs dark brown: second dorsal blackish at 

 base, apex and laterally, medially orange, which color is sometimes 

 divided by a narrow black line, with coarse, round punctures. 



hippodainia n. sp. 



Thorax longer than broad ; head transverse; second dorsal not at all blackish, 



generally with two yellowish spots; punctures confluent: femora 



sometimes reddish- siiiiilliina Smith. 



MALES. 



More or less reddish or yellowish 2. 



Entirely black -5. 



2. Second segment reddish or yellowish ; thorax usually entirely black, though 



sometimes slightly reddish 3. 



Abdomen entirely black, the segment thickly fringed apically with yellowish 

 pubescence ; dorsulum, scutellum and pronotum reddish. 



propiiiqua Cress. 



3. Head, thorax and most of abdomen with black pubescence ; second segment 



reddish 4. 



Head, thorax and legs with grayish pubescence; abdomen castaneous, second 

 dorsal bright yellow, the apical margin of dorsal segments with 

 golden pubescence flavida Blake. 



4. Form stout: segments 1 and 2 castaneous, the second dorsal yellower, both 



clothed with fuscous pubescence ; femora fringed beneath with long 

 whitish hairs. Length 11-13 mm oceola Blake. 



* The most widely separated varieties of montivaga nr^ tabulated only. 



