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Fig. 4 | BMC Zoology

Fig. 4

From: Host-parasite ecology, behavior and genetics: a review of the introduced fly parasite Philornis downsi and its Darwin’s finch hosts

Fig. 4

Images of Philornis downsi: a adult male (with yellow legs), b second instar larva (with smaller brownish posterior spiracles), c third instar larva (with larger black posterior spiracles), and d third instar larva consuming the blood and tissue of a Darwin’s finch nestling. Photos by Bradley Sinclair (a), Katharina Peters (b, c), and Jody O’Connor (d)

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