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Insects Feeding
on these Plants:

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Bidens spp. 
(Beggar's Ticks, Tickseed Sunflower) [Asteraceae]
(Observations are from Marshall, Wagner, Hottes & Frison, Bouseman & Sternburg, Covell, Blackman & Eastop, Miller, Pepper, Spencer & Steyskal, Natural History Museum)

Diptera (Flies)

Agromyzidae: Amauromyza maculosa [larvae are blotch leaf-miners; widespread] SS1986, Calycomyza frickiana [larvae are blotch leaf-miners; found in Illinois, Indiana, Maryland, Minnesota, New York, Pennsylvania, & Virginia] SS1986, Melanagromyza splendida [larvae are stem-borers; found in Michigan, New York, & areas south] SS1986; Tephritidae: Icterica seriata Msh2006

Homoptera (Sucking Insects)
Aphididae: Aphis coreopsidis [found on young shoots & leaves of Black Gum during the spring, migrating to various herbaceous plants during the summer] HF1931 BE2013 Pp1965, Brachycauda helichrysi (Leafcurl Plum Aphid) [curls leaves of plum trees during the spring, migrating to the stems & inflorescences of various herbaceous plants during the summer] BE2013, Macrosiphoniella tanacetaria [found on flowerheads & stems; observed in NE USA & Canada, this aphid was introduced from Eurasia] BE2013, Pemphigus tartareus [forms galls on petioles of cottonwood leaves, migrating to Bidens spp. & possibly other composites during the summer; found in Illinois & SE Canada] HF1931 BE2013, Uroleucon chrysanthemi [found in Illinois, Tennessee, & North Carolina] HF1931 BE2013 Pp1965


Lepidoptera (Butterflies, Skippers, & Moths)
Geometridae: Synchlora frondaria (Southern Emerald) [larvae feed on flowerheads; this moth is found mostly south of Illinois] NHM2010; Noctuidae: Cirrhophanus triangulifer (Goldenrod Stowaway) Cv2005, Condica confederata (The Confederate) Cv2005, Condica mobilis (Mobile Groundling) [found in southern IL, syn. Platysenta mobilis] Cv2005, Palthis asopialis (Faint-spotted Palthis) [larvae feed on florets & leaves, polyphagous] Cv2005 NHM2010, Pyrrhia exprimens (Purple-lined Sallow) [polyphagous, larvae prefer to feed on flowers, buds, & fruit] Wg2005; Oecophoridae: Agonopterix atrodorsella NHM2010; Pieridae: Nathalis iole (Dainty Sulphur) BS2001; Pyralidae: Homoeosoma electellum (Sunflower Moth) [larvae feed on flowerheads] NHM2010; Tortricidae: Epiblema otiosana (Bidens Borer Moth) [larvae bore through stems] Cv2005 Mlr1987 NHM2010
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