Pachypsylla celtidismamma (Riley, 1875)

Materials examined. USA: Florida: Specimens from Alachua and Brevard counties (FSCA, dry mounted, ethanol). Some specimens in the gall collection are filed under synonyms (Hodkinson 1988) (see above).

Diagnosis. Pachypsylla celtidismamma sensu Tuthill (1943) is a complex of closely related species with similar adult morphology but strongly differing gall shapes.

Distribution. Widely distributed in eastern and central North America, adventive in CA (Percy et al. 2012).

Host plants. Celtis laevigata Willd., C . occidentalis L. ( Cannabaceae).