Flower-Visiting Insects
of Brown-Eyed Susan
Rudbeckia triloba (Brown-Eyed Susan)
(Bees collect pollen or suck nectar; beetles feed on nectar or pollen; flies mostly suck nectar; other insects suck nectar; most observations are from Robertson, although a few observations are from Moure & Hurd, Krombein et al., MacRae, and Williams as indicated below)
Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn cp; Apidae (Bombini): Bombus auricomus sn, Bombus fraternus sn, Bombus griseocallis sn fq; Anthophoridae (Ceratinini): Ceratina dupla dupla sn cp fq; Anthophoridae (Epeolini): Triepeolus cressonii cressonii sn fq, Triepeolus helianthi helianthi sn, Triepeolus lunatus concolor sn; Anthophoridae (Eucerini): Melissodes agilis sn fq, Melissodes bimaculata bimaculata sn, Melissodes boltoniae cp, Melissodes denticulata sn, Melissodes rustica sn, Melissodes trinodis sn cp fq, Svastra obliqua obliqua sn cp fq; Megachilidae (Coelioxini): Coelioxys alternata alternata sn, Coelioxys octodentata sn, Coelioxys sayi sn; Megachilidae (Megachilini): Megachile brevis brevis sn, Megachile inimica sayi sn cp, Megachile petulans sn; Megachilidae (Stelidini): Stelis trypetinum sn; Megachilidae (Trypetini): Heriades leavitti sn
Bees (short-tongued)
Halictidae (Halictinae): Agapostemon sericea sn, Augochlora purus purus sn cp, Augochlorella aurata sn cp, Augochlorella striata sn cp, Halictus confusus sn, Halictus ligatus sn cp fq, Halictus rubicunda sn, Lasioglossum coriaceus sn, Lasioglossum imitatus sn cp, Lasioglossum pectoralis sn cp fq, Lasioglossum pilosus pilosus sn cp fq, Lasioglossum versatus sn cp, Lasioglossum zephyrus sn; Halictidae (Nomiinae): Nomia triangulifera (MH, Kr); Colletidae (Colletinae): Colletes americana sn cp, Colletes compactus sn cp; Andrenidae (Andreninae): Andrena aliciae sn cp fq, Andrena rudbeckiae sn cp olg (Rb, Kr); Andrenidae (Panurginae): Calliopsis andreniformis sn, Calliopsis coloradensis sn cp, Heterosarus andrenoides sn cp, Heterosarus compositarum sn, Heterosarus labrosiformis labrosiformis sn cp, Heterosarus labrosus sn cp fq, Heterosarus rudbeckiae sn cp fq icp olg, Pseudopanurgus rugosus sn cp (Rb, Kr)
Wasps
Sphecidae (Bembicinae): Bembix americana, Bicyrtes ventralis, Glenostictia pictifrons; Sphecidae (Crabroninae): Oxybelus emarginatus; Sphecidae (Sphecinae): Ammophila nigricans, Eremnophila aureonotata; Vespidae: Polistes fuscata; Vespidae (Eumeninae): Euodynerus annulatus; Sapygidae: Sapyga interrupta; Tiphiidae: Myzinum quinquecincta; Ichneumonidae: Exetastes suaveolens
Flies
Syrphidae: Copestylum vittatum sn, Eristalis stipator sn, Eristalis transversus sn fq, Mallota bautias sn, Spilomyia longicornis sn; Empidae: Empis clausa sn fq; Bombyliidae: Anthrax oedipus fp np, Chrysanthrax cypris sn, Exoprosopa decora sn, Exoprosopa fasciata sn, Exoprosopa fascipennis sn, Lepidophora lepidocera sn, Poecilanthrax alcyon sn fq, Pthiria cincta sn (Coquillett, MS), Sparnopolius confusus sn fq, Systoechus vulgaris sn, Systropus macer sn, Toxophora amphitea sn; Conopidae: Physoconops brachyrhynchus sn, Thecophora occidensis sn, Zodion obliquefasciatum sn; Tachinidae: Archytas analis sn, Clausicella geniculata sn fq, Copecrypta ruficauda sn, Cylindromyia euchenor sn, Epigrimyia illinoensis sn, Estheria abdominalis sn, Gymnoclytia occidua sn, Leskiomima secunda sn (Rb, MS), Periscepsia laevigata sn, Plagiomima spinosula sn fq, Spallanzania hesperidarum sn, Tachinomyia panaetius sn fq; Sarcophagidae: Sphixapata trilineata sn; Muscidae: Neomyia cornicina sn; Milichiidae: Eusiphona mira sn
Butterflies
Nymphalidae: Chlosyne nycteis fq, Limenitis archippus, Phyciodes tharos fq; Lycaenidae: Everes comyntas; Pieridae: Colias philodice, Pontia protodice
Skippers
Hesperiidae: Polites peckius
Beetles
Buprestidae: Acmaeodera pulchella (McR); Cantharidae: Chauliognathus pennsylvanicus sn fq (Rb, Wms); Meloidae: Epicauta pennsylvanica fp np; Mordellidae: Mordella marginata fp np