Life in a bag

Have you ever heard of bag moths? They are not literally moths in a bag, rather caterpillars in a bag, or a case. Until I stumbled on a specimen at Dunedin Botanic Gardens the other morning, I had never heard of them, let alone seen one. What at first looked like a twig was rustling on a shrub beside me. As I looked closely, the head of a fat caterpillar popped up from it.

The larva was simultaneously hanging on to a leaf and hooked onto its twig-like bag from the inside thanks to its tiny prolegs— Continue reading

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Fifth instar Monarch larvae

Monarch butterflies (Danaus plexippus) are famous for the epic annual fall migration they undertake to Mexico and Southern California. What is little known is that their range extends beyond North America to the Pacific, as far south as New Zealand. North American and New Zealand monarchs are the same species, so biologists believe that Continue reading