Insects Feeding
on these Plants:
____________
Rudbeckia spp. (Coneflower, Black-Eyed Susan) [Asteraceae]
(Observations are from Hottes & Frison, Miller, Cranshaw, Smith, Felt, Blackman & Eastop, Opler & Krizek, Pepper, Spencer & Steyskal, ScaleNet)
Diptera (Flies)
Agromyzidae: Calycomyza frickiana [larvae are blotch leaf-miners; found in Illinois, Indiana, Minnesota, New York, Pennsylvania, Maryland, & Virginia] SS1986; Cecidomyiidae: Asphondylia rudbeckiaeconspicua (Coneflower Gall Midge) [larvae form irregular globoid bud galls] Flt1917, Lestodiplosis rudbeckiae [larvae cause deformed flowerheads] Flt1917, Neolasioptera rudbeckiae (Coneflower Stem Midge) [larvae are found in stems] Flt1917
Homoptera (Sucking Insects)
Aphididae: Uroleucon ambrosiae (Brown Ambrosia Aphid) [distributed in E USA & N USA; there is a possible misidentification of this aphid species, which is normally found on ragweed] Crw2004 BE2013, Uroleucon leonardi [prefers the hairier Rudbeckia spp.; distributed NE USA, north-central USA, & Canada; records of Uroleucon ambrosiae on Rudbeckia spp. probably refer to this aphid] BE2013, Uroleucon rudbeckiae (Golden Glow Aphid) [found on stems; this aphid is widely distributed in North America] HF1931 BE2013 Pp1965; Pseudococcidae: Spilococcus geraniae (Geranium Mealybug) [found on leaf undersides & leaf axils, polyphagous; this insect has been found in New York, California, & Bristish Columbia; Herb Robert was observed as a host plant in New York] SN2014
Hymenoptera (Bees, Wasps, & Sawflies)
Tenthredinidae: Macrophya simillima [larvae feed on foliage] Sm2006
Lepidoptera (Butterflies, Skippers, & Moths)
Nymphalidae: Chlosyne nycteis (Silvery Checkerspot) OK1984; Pyralidae: Homoeosoma electella (Sunflower Moth) [larvae feed on developing seeds & florets, spin webs around flowerheads] Crw2004; Tortricidae: Epiblema carolinana (Gray-blotched Epiblema) [larvae feed mainly in roots] Mlr1987, Epiblema tandana [larvae feed in roots] Mlr1987, Epiblema tripartitana [larvae feed in flowerheads & stems] Mlr1987