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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Hybrid floral scent novelty drives pollinator shift in sexually deceptive orchids

Figure 1

Orchids and their pollinators in the hybrid zone. A. Pseudocopulating males of Andrena nigroaenea (Kirby) (Hymenoptera, Andrenidae) in both the "abdominal" and the "cephalic" positions on the flower labella of Ophrys lupercalis Devillers-Terschuren & Devillers; B. Pseudocopulating male of A. nigroaenea in the "abdominal" position on a flower of O. lupercalis with pollinaria on its head; C. Pseudocopulating male of Colletes cunicularius (L.) (Hymenoptera, Colletidae) in the "cephalic" position on the flower labellum of O. arachnitiformis; D. Pseudocopulating male of C. cunicularius on the flower labellum of O. lupercalis with pollinaria on its head; E. Pseudocopulating male of A. nigroaenea in "cephalic" position on the flower labellum of O. arachnitiformis; F. A detail of a flower of the natural hybrid between O. arachnitiformis and O. lupercalis at the study site in southern France. All photographs by NJ Vereecken.

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