Weeks 18-20 Recap: Lots of Larvae

The last few weeks have been hectic, with busy and changing schedules. This recap covers the last three weeks, weeks 18-20. Check it out:

Capture

It looks like the number of live plants is remarkably steady – the plants might be growing more slowly now (see below), but they are still pretty green and there are still about 220 of them alive out there.

figures

Weeks 18 and 19 saw a pretty big increase in the number of larvae per week maxing out at more than 80 larvae per week before coming back down below 50 larvae per week. The caterpillars were generally pretty large as well.

map

The map shows where the high densities of monarchs were found – mostly on the northeastern part of the transect. I’m not sure why there are so many caterpillars out there now. Any ideas?

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