388 
NEW NORTH AMERICAN BEES 
brown, stigma yellowish browm, rest of veins dull stramineous, first recurrent 
vein received by the second submarginal cell beyond the middle and distinctly 
nearer to the second transverse cubitus than the first transverse cubitus is to the 
stigma on the radial vein, nervulus not interstitial and forming an acute angle 
with the second abscissa of the median vein, membrane with a uniformly 
yellowish-brown tinge, legs blackish brown except for the tarsi which are more 
or less pale brown, femora partly covered with ochreous hairs, rest of legs 
except coxae and trochanters covered with brownish golden hairs, scopa 
at 3 'pical, its hairs shorter than the greatest width of hind tibiae, compactly 
arranged and uniformly dark browm, Ifind metatarsi at most as wide as mid 
metatarsi or 12: 12, propodeum with its enclosure poorly defined, dullish 
and finely reticulated, rest of upper face of propodeum sculptured like the meso- 
pleura but with smaller punctures, and covered with finer pale ochreous liair, 
propodeal pleura with sparse shallow punctures, propodeal floccus pale ochre- 
ous; abdomen with its tergum shiny, finely reticulated and finely punctured, 
the punctures mostly from two to six puncture widths apart on the first tergite, 
the pmictures hardly closer on the succeeding tergites, conspicuous hair bands 
wanting, apical edge of first, second, third, and fourth tergites vuth a stramine- 
ous border, second tergite with its elevated portion down the middle : depressed 
portion : : 15 : 12, fifth tergite shiny, reticulate, its punctures coarser and closer 
together than on the other tergites, pygidium convex, without a shallow furrow 
on each side, truncate at apex, tergum with inconspicuous, pale nearly erect 
hairs on the first and second segments and mostly" blackish nearly appressed 
hairs on the succeeding tergites, fimbria dark seal brovTi. 
Other locality. — Longview, Colorado. June 24, 1916. '(E. 
C. Jackson.) 
Andrena (Andrena) trivialis new species 
Type. — No. 4055, The Academy of Natural Sciences of Phila- 
delphia. T}"pe locality. — Southern California. (H. K. IMorri- 
son.) 
Related to A. (A.) illinoensis Robertson. 
Female.- — Length 8.5 mm.; body black, with the head and abdomen barely 
tinged vuth green, mostly covered with whitish hairs, bead with its facial line 
: transfacial Ime :: 45: 64, axial line : temporal line :: 27: 15, malar line : joint 
3 of antennae :: 2: 8, ocelloccipital line : greatest diameter of lateral ocellus :: 
4: 4, elevated portion of malar space nearlj'^ as long as depressed portion, head 
covered with whitish hairs, front rather distinctly, longitudinally striate, not 
elevated into a welt along the fovea, fovea at most : ocellocular line. :: 7: 14, 
foveal band present and at upper end of the inner eye margin: ocellocular line 
: 1.5 : 14, distance between fovea and ocelli : ocellocular line :: 7: 14, fovea 
attenuated below its middle where it is apparently only one-haK or a little more 
than half as wide as the greatest width of the fovea, the latter contmued to a 
point apparently on the antennal line, fovea filled vdth dark seal brown hairs 
except along the lower edge where the hairs are pale, vertex and temples along 
