St. Andrews Leaf miner on Quercus laevis SA322 2016 2 - Eriocraniella mediabulla

Moved

Moved from Eriocraniella platyptera.

Terry Harrison just examined the adult and says it is definitely mediabulla. So the possible differences in leaf min characteristics I had identified based on the original description of mediabulla and my own observations of platyptera are useless. Your other Eriocraniella mines may therefore all likewise be mediabulla, but I'll just move them up to genus for now.

… Charley Eiseman, 14 January, 2020 - 7:50pm

interesting--sad that the lea

interesting--sad that the leaf mines may not be distinguishable. If I see them again on Q. falcata I will try to collect them, in case they are something different.

… Tracy S. Feldman, 14 January, 2020 - 8:18pm

Adult

… Charley Eiseman, 9 March, 2018 - 9:36pm

The adult has just emerged

So I should be able to get the ID confirmed eventually.
Incidentally, the larva exited the mine and burrowed on April 22, so you got it to me just in time.

… Charley Eiseman, 10 April, 2017 - 8:41am

Moved

Moved from Eriocraniella.
The differences in the mines of the two species are discussed in this paper.

… Charley Eiseman, 21 April, 2016 - 9:51pm

Moved

Moved from Unidentified Leaf Mines.

… Charley Eiseman, 21 April, 2016 - 9:49pm

Eriocraniella

If this is a described species, it is probably E. platyptera, which is only known from Ithaca, NY and Nantucket, MA. The other known eastern species is E. mediabulla, known from the Gulf Coast states. Whichever species, this would be a substantial extension of the known range, and both Q. laevis and Q. margaretta would be new host species. These are difficult to rear (larvae burrow into soil and adults emerge the following spring).

… Charley Eiseman, 21 April, 2016 - 6:48pm