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1by Guglya, Yuliia“...Phytomyza artemisivora Spencer (Figs. 185–188, 555–560) Material examined: Ukraine: Kharkiv Region...”
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2by Guglya, Yuliia“...Phytomyza artemisivora Spencer (Figs. 185–188, 555–560) Material examined: Ukraine: Kharkiv Region...”
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3“...Cerodontha (Cerodontha) colombiensis Spencer (Figs. 21–22) Cerodontha (C.) colombiensis Spencer...”
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4“...Cerodontha (Cerodontha) colombiensis Spencer (Figs. 21–22) Cerodontha (C.) colombiensis Spencer...”
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5“...Cerodontha (Cerodontha) colombiensis Spencer (Figs. 21–22) Cerodontha (C.) colombiensis Spencer...”
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6by Lonsdale, Owen“... of Agricultural Sciences, Special Publication 3273, 489 pp.", "Spencer, K. A. & Steyskal, G. C. (1986) Manual...”
Published 2011
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7by Lonsdale, Owen“... of Agricultural Sciences, Special Publication 3273, 489 pp.", "Spencer, K. A. & Steyskal, G. C. (1986) Manual...”
Published 2011
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8“...: valid species, as Liriomyza cicerina (Papp 1984b: 297, Spencer & Martinez 1987: 259, Canzoneri et al...”
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9“...: valid species, as Liriomyza cicerina (Papp 1984b: 297, Spencer & Martinez 1987: 259, Canzoneri et al...”
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10“.... Heller; Grossulariaceae: Ribes glandulosum Grauer (Spencer 1990); Rosaceae: Fragaria L. (cultivated...”
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11“.... Heller; Grossulariaceae: Ribes glandulosum Grauer (Spencer 1990); Rosaceae: Fragaria L. (cultivated...”
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12“...), Frick (1959) and Spencer (1969) recorded the host of the holotype as an unspecified Agropyron...”
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13“...), Frick (1959) and Spencer (1969) recorded the host of the holotype as an unspecified Agropyron...”
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14“... Osmorhiza . Adults of Phytomyza osmorhizae Spencer from Ontario, Virginia, and Wisconsin (Spencer 1969, 1981...”
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15“... Osmorhiza . Adults of Phytomyza osmorhizae Spencer from Ontario, Virginia, and Wisconsin (Spencer 1969, 1981...”
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16by Boucher, Stéphanie“..., Northwest Territories (Spencer and Steyskal 1986; Spencer 1969). New localities include Texas (USA: Texas...”
Published 2005
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17by Boucher, Stéphanie“..., Northwest Territories (Spencer and Steyskal 1986; Spencer 1969). New localities include Texas (USA: Texas...”
Published 2005
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18by Lonsdale, Owen“... eupatorii. Hendel 1920: 143, 1931: 217; Frick 1959: 404; Spencer 1969: 174, 1976: 245 [designation...”
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19by Lonsdale, Owen“... eupatorii. Hendel 1920: 143, 1931: 217; Frick 1959: 404; Spencer 1969: 174, 1976: 245 [designation...”
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20by Guglya, Yuliia“.... Asteraceae: Solidago canadensis L., S. virgaurea L., Aster L., Baccaris L. (Spencer 1976), Buphtalmum L...”
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