Phytotoxic
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Celticecis pyriformis
Hackberry Pear-shaped Gall Midge
Celticecis pyriformis is a gall midge species in the family Cecidomyiidae, described by Gagné in 2013. The species induces distinctive pear-shaped galls on hackberry (Celtis) host plants. It is one of several Celticecis species specialized on Celtis species in North America. The species has been documented through iNaturalist observations and taxonomic sources, though detailed biological studies remain limited.