References
- Thompson JN. Concepts of coevolution. Trends Ecol Evol 1989; 4: 179–83
- Koukkari WL. The broad spectrum of plant rhythms. Adv Biosci 1988; 73: 31–41
- Gumming BG. Orcadian rhythmic (lowering responses in Chenopodium rubrum; effects of glucose and sucrose. Can J Botany 1967; 45: 2173–93
- Koukkari WL, Soulen TK. Circadian time structure of vascular flowering plants. Neoplasms—comparative pathology of growth in animals, plants, and man, HE Kaiser. William & Wilkins, Baltimore 1981; 175
- Stephen WP, Bohart GE, Torehio PF. The biological external morphology of bees. The Agriculture Experimental Station, Oregon State University Print, Corvallis, Oregon 1969
- Tepedino VJ. The pollination efficiency of the squash bee (Peponapis pruinosa) and the honeybee (Apis mellifera) on summer squash Cucurbita pepo). J Kansas Ent Soc 1981; 54: 359–77
- Thompson JD. Patterns of visitation by animal pollinators. Oikos 1982; 39: 241–50
- Roubik DW, Buchmann SL. Nectar selection by Melipona and Apis mellifera (Hymenoptera: Apidae) and the ecology of nectar intake by bee colonies in a tropical forest. Oecologia (Berlin) 1984; 61: 1–10
- Dobson H EM. Role of flower and pollen aromas in host-plant recognition by solitary bees. Oecologia (Berlin) 1987; 72: 618–23
- Waddington KD. Nutritional ecology of bees. Nutritional ecology of insects, miles, spiders, and related invertebrates, F Slansky, Jr, JG Rodriguez. Wiley Interscience, New York 1987; 393–419
- Kakutani T, Inoue T, Kato M. Nectar secretion pattern of the dish-shaped flower, Cayratiu japonica (Vitaceae), and nectar utilization patterns by insect visitors. Res Popul Ecol 1989; 31: 381–400
- Moore D, Siegfried D, Wilson R, Rankin MA. The influence of time of day on the foraging behavior of the honeybee. Apis mellifera. J Biol Rhythms 1989; 4: 305–25
- Inoue T, Salmah S, Abbas I, Yusuf E. Foraging behavior of individual workers and foraging dynamics of colonies of three Sumatran stingless bees. Res Popul Ecol 1985; 27: 373–92
- Pascal L, Belin-Depoux M. La Corrélation entre les rythmes biologiques de 1'association plantes-four-mis: le cas des nectaires extra-floraux de Malpighiaceae américaines. C R Acad Sci Paris 1991; 312: 49–54
- Camargo J MF, Mazucato CM. Inventário da apifauna e flora apícola de Ribeirão Preto, SP, Brasil. Dusenia 1984; 14: 55–87
- Gimenes M. Some morphological adaptations in bees (Apoidea, Hymenoptera) for collecting pollen from Ludwigia elegans (Camb.) Hara (Onagraceae). Rvta bras Ent 1991; 14: 55–87
- Batschelet E. Circular statistics in biology. Academic Press, London 1980
- Zar JH. Biostalistical analysis. Prentice-Hall, Englewood Cliffs 1974
- Bünning E. The physiological clock. 2nd ed. Springer-Verlag, New York 1967
- Wolda H. Insect seasonality: why. Annu Rev Ecol Syst 1988; 19: 1–18
- Boinski S, Fowler NL. Seasonal patterns in a tropical lowland forest. Biotropica 1989; 21: 223–33
- Bawa KS. Plant-pollinator interactions in tropical rain forests. Annu Rev Ecol Syst 1990; 21: 399–422
- Armbruster WS, McCormick KD. Diel foraging patterns of male euglossine bees: ecological causes and evolutionary response by plants. Biotropica 1990; 22: 169–71