94 
Psyche 
[April 
relation to flowers except to visit those which suit them and are 
in bloom when they fly. They make fewer non-pollinating 
visits than any other of the general groups. 
Bembicidoe. — Of 99 visits of 10 species to 49 flowers, 39.3 
per cent are to Mis, 32.3 to Mas, 28.2 to Pol, 52.5 to white, 34.5 
to yellow, 37.3 to Compositse, 20.2 to Labiatse and 13.1 to Um- 
belliferse. All visits are to social flowers. 
Sphecidce. — Of 377 visits of 16 species to 110 flowers, 43.2 
per cent are to Mis, 27.8 to Mas, 27.3 to Pol, 53.3 to white, 33.4 
to Compositse, 14.8 to Labiatse and 13.5 to Umbelliferse. Pol. 
shows 15 . 4 per cent of the flowers visited. 
Scoliidce. — Of 133 visits of 7 species to 69 flowers, 45.8 
per cent are to Mis, 29.3 to Pol, 20.3 to Mas, 61.6 to white, 
31.5 to Compositse, 15.7 to Labiatse and 12.7 to Umbelliferse. 
This and the two preceding are the only families of wasps showing 
more than 18.7 per cent of visits under Mas. 
Eumenidoe. — Of 461 visits of 31 species to 109 flowers, 62.9 
per cent are to Mis, 21.0 to Pol, 60.0 to white, 32.7 to yellow, 
33 . 1 to Compositse and 22 . 3 to Umbelliferse. 
Philanthidoe (including Cerceridse). — Of 182 visits of 16 
species to 63 flowers, 54 . 9 per cent are to Mis, 34 . 0 to Pol, 67 . 5 
to white, 30.2 to Compositse, 16.4 to Umbelliferse and 12.6 to 
Labiatse. Pol is 23 . 8 per cent of flowers visited. 
Crabronidoe. — Of 253 visits of 27 species to 69 flowers, 49.4 
per cent are to Mis, 44. 2 to Pol, 68.3 to white, 39.9 to Um- 
belliferse and 26.8 to* Compositse. Pol shows 21.7 per cent of 
the flowers visited. 
Vespidce. — Of 182 visits of 8 species to 82 flowers, 56 per 
cent are to Mis, 26.3 to Pol, 59.3 to white, 39.5 to Compositse 
and 13.7 to Umbelliferse. 
Chrysididce. — Of 64 visits of 17 species to 35 flowers, 50 per 
cent are to Mis, 46.8 to Pol, 81.2 to white, 45.3 to Umbelliferse 
and 25 . 0 to Compositse. Of flowers visited. Mis shows 65 . 7 and 
Pol 31.4 per cent. 
