by Cristian Solari
From Carlos.M.Herrera @cmhmaliani : Very small Halictid bees have a penchant for occupied flowers, perhaps because occupancy is a sign of reward. Here the tiny Seladonia cf. gemmea is bugging a heavy-weight Colpa quinquecincta, a Scoliid wasp, for a place in the Carlina hispanica flowerhead
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