Calycomyza platyptera (Thomson)

Eiseman, Charles S., Lonsdale, Owen & Feldman, Tracy S., 2019, Nine new species of Agromyzidae from North Carolina, USA, with new host and distribution records for additional species, Zootaxa 4571 (3), pp. 301-333 : 308

Calycomyza platyptera (Thomson)

Material examined. NORTH CAROLINA: Durham Co., Durham, Grandale Drive , 14.vii.2017, em. by 24.vii.2017, T.S. Feldman, ex Bidens aristosa , # CSE4007 , CNC939842 (1♂) .

Hosts. Asteraceae : Ambrosia artemisiifolia L., Artemisia ludoviciana Nutt. , Bidens * aristosa (Michx.) Britton , Gamochaeta pensylvanica (Willd.) Cabrera , Helianthus annuus L., H. exilis A. Gray , Iva frutescens L., Mikania micrantha Kunth , M. scandens (L.) Willd., Silphium laciniatum L., S. perfoliatum L., Xanthium strumarium L. ( Eiseman & Lonsdale 2018 and references therein; see that paper for discussion of other reported hosts that require confirmation).

Leaf mine. A whitish blotch, frequently toward the base of the leaf, with characteristic irregular offshoots; an initial short, linear portion is usually obliterated by the blotch. Frass is mostly deposited in a mass of coalescing pellets around the pupation site.

Puparium. Brownish, attached to a flattened lump of frass at the center of the mine.

Distribution. USA: CA, CO, FL, IA, KS, MA, MS, NC, OK; Cuba; Grand Cayman Island; Jamaica ( Eiseman & Lonsdale 2018).

Comments. This specimen was listed by Eiseman & Lonsdale (2018), but the host was only listed as Bidens ; TSF determined the plant species after the specimen was labeled.