Liriomyza orilliensis Spencer

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 : 30-31

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Liriomyza orilliensis Spencer


Liriomyza orilliensis Spencer  

( Fig. 78 View FIGURES 73–86 )

Material examined. IOWA: Winneshiek Co., Decorah, Twin Springs Park , 24.viii.2017, em.?, J. van der Linden, ex Prenanthes alba   , # CSE4644 ,   CNC1144028 View Materials (1♀)   .

Photographed mines. MASSACHUSETTS: Franklin Co., Northfield, 276 Old Wendell Rd., 7.x.2015, C.S. Eiseman, Nabalus altissimus   [aborted/predated mines]; Nantucket Co., Squam Swamp, 8.ix.2019, C.S. Eiseman, Nabalus trifoliolatus   ; MICHIGAN: Ingham Co., Okemos, Ted Black Woods,, C.S. Eiseman, Nabalus   ; NORTH CAROLINA: Guilford Co., Browns Summit, Haw River State Park, 29.v.2015, T.S. Feldman, Prenanthes alba   [vacated mine], BG 1075103; VERMONT: Chittenden Co., Williston, Mud Pond, 28.viii.2016, C.S. Eiseman, Nabalus   [vacated mines].

Hosts. Asteraceae   : Nabalus   * albus   (L.) Hook., [ N. altissimus   (L.) Hook., N. trifoliolatus Cass.   ], Taraxacum F.H.Wigg. ( Eiseman & Lonsdale 2018)   .

Leaf mine. ( Fig. 78 View FIGURES 73–86 ) Pale greenish to whitish, turning brownish; in some cases beginning as an irregular track, gradually expanding to an elongate blotch, with frass mostly in squiggly strips; in others, forming a more or less compact blotch with distinct secondary feeding lines, and with frass mostly in fine grains. Two or three larvae may feed together.

Puparium. Yellow to brown; formed outside the mine.

Phenology and voltinism. Data from the few known specimens of this species indicate it is at least bivoltine. Larvae collected in Massachusetts in mid-June emerged as adults in early July ( Eiseman & Lonsdale 2018); a larva collected in Alberta in early August emerged as an adult the following spring ( Lonsdale 2017a); and the Iowa specimen emerged on an unknown date from a larva collected in late August.

Distribution. USA: *IA, MA, [MI, NC, VT]; Canada: AB, ON ( Eiseman & Lonsdale 2018).


Tavera, Department of Geology and Geophysics