Liriomyza fricki Spencer

Eiseman, Charles S. & Lonsdale, Owen, 2018, New state and host records for Agromyzidae (Diptera) in the United States, with the description of thirty new species, Zootaxa 4479 (1), pp. 1-156 : 50

Liriomyza fricki Spencer

( Fig. 141 )

Material examined. MASSACHUSETTS: Hampshire Co., Pelham , Quarry St. , 6.vii.2013, em. 17.vii.2013, C.S. Eiseman, ex Trifolium repens , #CSE709, CNC384758 (1♂) .

Hosts. Fabaceae : Lathyrus japonicus Willd. , L. ochroleucus Hook. , Medicago sativa L., Melilotus albus Medik. , M. indicus (L.) All., Oxytropis campestris (L.) DC. var. spicata Hook. , Pisum L., Trifolium hybridum L., T. repens L., Vicia americana Muhl. , V. villosa Roth ( Frick 1959; Spencer 1965, 1969; Lonsdale 2017; Scheffer & Lonsdale 2018). The Oxytropis record was originally reported as O. sericea Nutt. ( Lonsdale 2017) , but according to USDA, NRCS (2017), O. campestris var. spicata is the only valid taxon occurring in British Columbia that has been referred to as O. sericea . Spencer (1969) also attributed to Liriomyza fricki empty leaf mines on “ Caragana pubescens ” in Alberta, apparently referring to C. arborescens Lam. The erroneous record of Vigna Savi ( Sehgal 1971; Lonsdale 2011) can be traced back to Stegmaier’s (1968) listing of Vicia villosa as Vigna villosa .

Leaf mine. ( Fig. 141 ) According to Spencer & Steyskal (1986), a “short linear mine, with frass in greenishblack strips.” Sehgal (1971) described the mine as a small blotch with a short linear beginning. The single confirmed example we have seen was whitish and essentially linear, but it widened dramatically and contorted to form a secondary blotch. The dark green frass particles were deposited rather irregularly, loosely arranged into alternating elongate patches unlike the distinct strips seen in other Liriomyza mines.

Puparium. Yellow-orange; formed outside the mine.

Distribution. USA: CA, MA, MD, MI, MN, NY ( Scheffer & Lonsdale 2018), WA, WI, WY; Canada: AB, BC, MB, NB, NS, NT, ON, PE, QC, SK, YT.

Figures

FIGURES 133–143. leaf mines; 133: Liriomyza arctii Spencer in Ƒerbesina alternifolia; 134: L. asclepiadis Spencer in Asclepias exaltata; 135: L. baccharidis Spencer in Erigeron annuus, lower surface (left) and upper surface (right); 136: L. blechi Spencer in Plantago virginica; 137: L. brassicae (Riley) in Lepidium virginicum; 138: L. eupatoriella Spencer in Ageratina altissima; 139: L. eupatoriella in Ƒernonia baldwinii; 140: L. eupatorii (Kaltenbach) in Baccharis halimifolia; 141: L. fricki Spencer in Trifolium repens; 142: L. galiivora (Spencer) in Galium circaezans (transmitted light); 143: L. ivorcutleri spec. nov. in Silphium perfoliatum.