Flower-Visiting Insects
of Canada Thistle

Cirsium arvense (Canada Thistle) introduced
(Bees suck nectar or collect pollen, flies & beetles suck nectar or feed on pollen, other insects suck nectar. Observations are from Graenicher, Reed, Williams, Gosling, Voss, and Wilhelm & Rericha as indicated below.)

Bees (long-tongued)
Apidae (Apini): Apis mellifera sn cp (Gr, WR); Apidae (Bombini): Bombus affinis (WR), Bombus centralis sn cp (Gr), Bombus edwardsii sn cp (Gr), Bombus griseocollis sn cp (Gr, WR), Bombus impatiens (WR), Bombus pensylvanicus sn cp (Gr), Bombus ternarius sn cp (Gr); Anthophoridae (Anthophorini): Anthophora terminalis sn (Gr); Anthophoridae (Ceratinini): Ceratina calcarata (WR), Ceratina dupla sn cp (Gr, WR), Ceratina mikmaqi (WR); Anthophoridae (Eucerini): Melissodes desponsa sn cp olg (Gr, WR), Melissodes subillata (WR); Anthophoridae (Nomadini): Nomada articulata sn (Gr); Anthophoridae (Xylocopini): Xylocopa virginica (WR); Megachilidae (Megachilini): Megachile centuncularis sn (Gr), Megachile latimanus sn cp (Gr); Megachilidae (Osmiini): Osmia pumila (WR); Megachilidae (Trypetini): Heriades carinata sn cp (Gr)

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon sericeus sn cp (Gr), Agapostemon virescens sn cp (Gr, Re), Augochlora pura (WR), Augochlorella aurata (WR), Augochlorella striata sn cp (Gr), Halictus (or Lasioglossum) spp. sn cp (Gr), Halictus confusus sn (Gr, WR), Halictus ligatus sn cp (Gr, WR), Halictus parallelus (WR), Halictus rubicundus sn cp (Gr, WR), Lasioglossum cinctipes sn cp (Gr, WR), Lasioglossum connexum sn cp (Gr), Lasioglossum foxii sn (Gr), Lasioglossum imitatum sn cp (Gr), Lasioglossum versatum sn cp (Gr), Lasioglossum viridatum (WR), Lasioglossum zephyrum sn cp (Gr, WR); Halictidae (Sphecodini): Sphecodes clematidis sn (Gr), Sphecodes davisii sn (Gr); Colletidae (Hylaeinae): Hylaeus sp. (WR), Hylaeus illinoisensis (WR), Hylaeus modestus sn (Gr); Andrenidae (Andreninae): Andrena commoda (Re), Andrena miranda sn cp (Gr), Andrena peckhami sn cp (Gr); Andrenidae (Panurginae): Calliopsis andreniformis sn (Gr)

Wasps
Sphecidae (Bembicinae): Bembix americana sn (WR), Gorytes simillimus sn (Gr); Sphecidae (Crabroninae): Ectemnius continuus sn (Gr), Ectemnius lapidarius sn (Gr), Ectemnius trifasciatus sn (Gr), Lestica confluenta sn (Gr); Sphecidae (Larrinae): Tachytes pepticus sn (Gr), Tachysphex pompiliformis sn (Gr); Sphecidae (Philanthinae): Cerceris spp. sn (Re), Cerceris clypeata sn (Gr), Cerceris nigrescens sn (Gr), Philanthus bilunatus sn (Gr); Sphecidae (Sphecinae): Ammophila kennedyi sn (Gr), Eremnophila aureonotata sn (Gr); Tiphiidae: Myzinum quinqecinctum sn (Gr); Vespidae (Eumeninae): Ancistrocerus antilope sn (Gr), Euodynerus foraminatus sn (Gr), Monobia quadridens sn (WR); Vespidae (Polistinae): Polistes fuscatus sn (Gr); Vespidae (Vespinae): Dolichovespula arenaria sn (Gr), Vespula germanica sn (Gr), Vespula vidua sn (WR);

Flies
Sciaridae: Sciara fuliginosa (Gr); Stratiomyidae: Hedriodiscus vertebratus sn (Gr), Nemotelus kansensis sn (WR), Odontomyia cincta sn (Gr), Odontomyia virgo sn (Gr), Stratiomys lativentris sn (Gr), Stratiomys normula sn (Gr); Conopidae: Physocephala tibialis sn (Gr), Thecophora occidensis sn (Gr); Syrphidae: Allograpta obliqua (Gr), Eristalis anthophorina (Gr), Eristalis brousii (Gr), Eristalis flavipes (Gr), Eristalis tenax (Gr), Eristalis transversa (Gr), Eupeodes americanus (Gr), Helophilus chrysostomus (Gr), Helophilus fasciatus (Gr), Helophilus stipatus (Gr), Melanostoma mellinum (Gr), Milesia virginiensis (Gr), Orthonevra pulchella (Gr), Polydontomyia curvipes (Gr), Sphaerophoria contiqua (Gr), Syrphus ribesii (Gr), Toxomerus geminatus (Gr), Toxomerus marginatus (Gr, Re, WR), Tropidia quadrata (Gr); Tachinidae: Archytas analis sn (Gr), Cylindromyia carolinae sn (Gr), Cylindromyia dosiades sn (Gr), Tachinomyia panaetius sn (Gr); Sarcophagidae: Sarcophaga sp. (Gr), Sarcophaga sarracenioides (Gr); Calliphoridae: Lucilia illustris (Gr), Pollenia rudis (Gr), Protophormia terraenovae (Gr); Muscidae: Graphomya maculata (Gr), Morellia micans (Gr), Stomoxys calcitrans (Gr, Re); Anthomyiidae: Delia platura (Gr), Hylemya sp. (Re)

Butterflies
Nymphalidae: Boloria bellona sn fq (V), Boloria selene sn (V), Cercyonis pegala sn fq (V), Danaus plexippus sn (V), Limenitis archippus sn (Gr, V), Limenitis arthemis astyanax sn (Gr), Polygonia faunus sn (V), Speyeria aphrodite sn fq (V), Speyeria atlantis sn fq (V), Speyeria cybele sn fq (V), Vanessa atalanta sn (Gr, WR), Vanessa cardui sn (Gr, V, WR), Vanessa virginiensis sn (Gr); Pieridae: Pieris rapae sn (Gr), Pontia protodice sn (Gr); Lycaenidae: Satyrium calanus sn (Gr)

Skippers
Hesperiidae: Anatrytone logan sn (Re), Atalopedes campestris sn (WR), Epargyreus clarus sn (Gr), Hesperia comma laurentina sn fq (V), Hylephila phyleus sn (WR), Polites peckius sn (V), Polites themistocles sn (Gr)

Moths
Pterophoridae: Geina tenuidactylus sn (Gr)

Beetles
Cantharidae: Chauliognathus marginatus (WR), Chauliognathus pennsylvanicus (Wms, WR); Cerambycidae: Typocerus velutinus (Gr, Gsl); Cleridae: Trichodes apivorus (Gr); Coccinellidae: Coleomegilla maculata sn (Gr); Mordellidae: Hoshihananomia octopunctata (Gr), Mordella melaena (Gr), Mordellistena comata (Gr); Scarabaeidae: Trichiotinus piger (Gr)

Plant Bugs
Lygaeidae: Lygaeus turcicus sn (Gr); Miridae: Lygus lineolaris sn (WR), Plagiognathus sp. sn (Gr), Plagiognathus obscurus sn (WR), Plagiognathus politus sn (WR)

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