Caught in the Act of Laying an Egg on a Tendril

You know the drill, lay 'em on the tendrils. But Gulf Fritillary butterflies, Agraulis vanillae, don't always lay their eggs on the tendrils of their host plant, the passionflower vine (Passiflora) although textbooks may indicate that. We've seen Gulf Frits lay eggs on and under the Passiflora leaves, on the stems, on the blossoms, and on nearby fence posts and screen doors. Hey, Gulf Frits, are you trying to tell us something? Don't you like the accommodations? But the other day, we saw a...