Phytomyza flavicornis Fallén

Eiseman, Charles S., Lonsdale, Owen, Linden, John Van Der, Feldman, Tracy S. & Palmer, Michael W., 2021, Thirteen new species of Agromyzidae (Diptera) from the United States, with new host and distribution records for 32 additional species, Zootaxa 4931 (1), pp. 1-68 : 34

Phytomyza flavicornis Fallén

( Fig. 57 )

Material examined. IOWA: Winneshiek Co., Roslien Woods , 1.ii.2018, em. 18.ii.2018, J. van der Linden, ex Urtica dioica , # CSE4943 , CNC1643673–1643674 (1♁ 1♀) .

Hosts. Urticaceae : Urtica dioica L. ; adults have been caught on U. gracilis Aiton ( Spencer 1969) .

Larval biology. The larva bores in the pith of the stem and roots.

Puparium. ( Fig. 57 ) Slender and yellowish, with deep intersegmental grooves; formed within the stem.

Phenology and voltinism. Pupae overwinter, with adults emerging in spring. Collection dates for adults range from 23 April in Oregon to 7 July in Manitoba ( Spencer 1969; Spencer & Steyskal 1986).

Distribution. USA: *IA, IN, MI, OR; Canada: AB, MB, ON; Europe ( Spencer 1969; Spencer & Steyskal 1986).

Figures

FIGURES 48–58. Figures 48–52: Phytomyza flavilonicera Eiseman & Lonsdale, spec. nov.; 48: paratype female habitus; 49: paratype male dorsal; 50: same, lateral; 51: same, head; 52: puparium. Figures 53–56: P. triostevena Eiseman & Lonsdale, spec. nov., holotype; 53: dorsal; 54: lateral; 55: head; 56: puparium. Figure 57: P. flavicornis Fallén, puparia. Figure 58: P. notopleuralis Spencer, female.