1927] 
New Megachilid Bees 
117 
clypeus thickened apically, but hardly produced medially, the 
thickened edge grooved; cheeks sparsely punctate below and 
polished between the punctures, not tessellate, the pubescence 
mostly white, with short black pubescence around the posterior 
orbits; tegulse rather closely punctate throughout; pubescence 
on outer faces of tibiae pale; abdominal fasciae broader, more 
dense and more conspicuous. 
Type: Female (Type No. 15712, Mus. Comp. Zook); Utah 
Megachle laurita sublaurita n. subsp. 
9 . Very close to the preceeding two forms from which it 
differs only in the following characters: 
Smaller than laurita (10 mm.); clypeus with a broad, 
rather prominent median produced area on apical margin, which 
is shining and impunctate; lateral ocelli considerably nearer the 
edge of the vertex than to the nearest eye (distance subequal in 
the two preceeding forms); cheeks with pubescence largely white, 
black around posterior orbits, punctures on lower cheeks shallow, 
not widely separated, somewhat shining, but hardly tessellate; 
some black hairs in center of the mesonotum (apparently entire- 
ly white in the two preceeding forms, but laurita is somewhat 
rubbed); tegulae rather sparsely punctured medially; pubescence 
of hind tibiae more whitish, of the front and middle tibiae rather 
ochraceous; fasciae broad dense and conspicuous. 
Type: Female (Type No. 15713, Mus. Comp. Zool.); Utah. 
These three forms closely resemble M. anogrce Cklh in form 
and structure but are totally different in color of pubescence, the 
entirely black scopa at once distinguishing them. They were at 
first taken to be the same species but the disparity in size made 
this seem somewhat doubtful, and there seems to be enough dif- 
ference other than size to separate them at least into subspecies. 
The males would possibly show even greater differences. The 
study of additional material may show whether or not these 
should be separated as distinct species. The following key will 
serve to distinguish them: 
1. Hair of cheeks entirely blackish laurita 
Hair of cheeks white in part „ 2. 
