Territoriality and Scent Marking By Centris Males (Hymenoptera, Anthophoridae) in Jamaica

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Abstract
1. The behaviour of males of the three Jamaican Centris (Centris) species searching for females showed a gradation. (a) C. fasciata hovered often around food plants, but did not deposit scent. (b) C. decolorata hovered less often and scented less often a little in territories near nests. (c) C. dirrhoda hovered little and scented often in territories away from nests and food plants. 2. The scent used was detected in the males' mandibular glands and the sizes of these glands were directly proportional to the frequency of scent deposition. 3. A dominance hierarchy existed among C. decolorata males. 4. Males of a fourth species, C. (Hemisiella) crassipes, marked their territories with a secretion, probably derived from the hind femoral glands.

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