322 Trans. Acad. Sct. of St. Louis 
INSECTs. 
Long-tongued bees.—In the case of 338 visitors and 867 
visits, the long-tongued bees show 8.8% of the species 
and 11.7% of the visits; 13% of the pollinating and 1.9% 
of the non-pollinating.. The maximum is 70.5% under 
Ma. For colors, they show 38.2% to red and 41.1 to white, 
or 6.1 more and 1.7 less than the percentages of colored 
flowers observed. The Megachil, Bomb and Anthophor, 
33.3, 13.3 and 6.6% of the long-tongued bees, make 44.1, 
14.7 and 11.7% of the long-tongued bee visits. These, 
with Eucer and Stelid, have maxima under Ma. The 
Xylocopidae show maxima under Mis. 
Short-tongued bees——Being 7.9% of the species, these 
show 11.9% of the visits; 12.4% of pollinating and 8.8 
of non-pollinating visits. The maximum is 33.6 under 
Ma. They show 25.9% to red and 56.7 to white, or 6.27 
less and 13.9 more than the percentages of those colors. 
All of their non-pollinating visits are to red flowers for 
which they are too small. 
The Halict, 59.2% of the short-tongued bees, make 
85.5% of the short-tongued bee visits. They show maxima 
under Ma. The Collet show maxima under Mis. 
Lower Hymenoptera.—Being 29.5% of the visitors they 
make only 20.5% of the visits; 21.4% of the pollinating 
and 13.7 of the non-pollinating. A maximum of 39.8% is 
under Pol. They show 10.7 under red and 84.2 under 
white, or 21.4 less and 41.4 more than the percentages of 
those colors. The Eumen., Pompil. and Scoli., 21, 19 and 
6% of the lower Hymenoptera, make 27.5, 14.0 and 14.67 
of the lower Hymenoptera visits. They show maxima as 
follows: the Scoli under Ma; the Spec, Bembic, Crabron 
and Philanth under Mis; the Eumen, Pompil, Oxybel, 
Tiphi and non-aculeata under Pol. 
