Date: 05/04/2002

Number: 1

Although adult monarch not seen, presence of 1st instar larvae on 10 May indicate female was present and laid eggs here on or before 4 May 2002.

To estimate the date of egg laying; the 1st instar larvae were at
least 2 days old; the eggs probably at least 4, so the eggs would have to
have been laid on or before 4 May 2002. (1 May seems earliest possible
estimate).



We live at 1600 feet altitude and I have a clone of 41 stems of Asclepias syriaca growing in my front garden. The shoots are mostly about 14 inches high, very healthy, and about half are in the early bud stage.

On 11 May 2002, I counted about 15 young first instar larvae on the plants, almost all feeding on the apical leaves surrounding the buds, or where the buds will shortly appear. No eggs or older first instars or any other larvae were noted and I suspect that all 15 were from eggs laid by a single female passing through.

Small round holes chewed in several other leaves indicated that ther

Roseland, VA

Latitude: 37.8 Longitude: -79

Observed by: Lincoln
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