MODIFICATION OF BUMBLEBEE FORAGING - THE EFFECT OF MILKWEED POLLINIA

[1] Faegri K, 1971, PRINCIPLES POLLINATI

[2] Free J.B., 1959, BUMBLEBEES

[3] Holmes J.C.B., 1972, ZOOL J LINN SOC S1, V51, P123

[4] MACIOR LAZARUS WALTER, 1965, BULL TORREY BOT CLUB, V92, P114, DOI 10.2307/2483932

[5] MORSE DH, AM MIDLAND NATURALIS

[6] Pellett F. C., 1976, AM HONEY PLANTS

[7] Proctor M., 1973, POLLINATION FLOWERS

[8] Snodgrass R. E., 1956, ANATOMY HONEY BEE

[9] SPARROW F. K., 1948, JOUR AGRIC RES, V77, P187

[10] van der Pijl L., 1966, ORCHID FLOWERS THEIR

[1] Faegri K, 1971, PRINCIPLES POLLINATI

[2] Free J.B., 1959, BUMBLEBEES

[3] Holmes J.C.B., 1972, ZOOL J LINN SOC S1, V51, P123

[4] MACIOR LAZARUS WALTER, 1965, BULL TORREY BOT CLUB, V92, P114, DOI 10.2307/2483932

[5] MORSE DH, AM MIDLAND NATURALIS

[6] Pellett F. C., 1976, AM HONEY PLANTS

[7] Proctor M., 1973, POLLINATION FLOWERS

[8] Snodgrass R. E., 1956, ANATOMY HONEY BEE

[9] SPARROW F. K., 1948, JOUR AGRIC RES, V77, P187

[10] van der Pijl L., 1966, ORCHID FLOWERS THEIR