Flower-Visiting Insects
of Water Willow

Justicia americana (Water Willow)
(Most bees suck nectar; some bees collect pollen as indicated below; flies and beetles suck nectar or feed on pollen; other insects suck nectar; most observations are from Robertson, otherwise they are from Conger and Estes & Thorp as indicated below)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera fq; Apidae (Bombini): Bombus griseocallis sn fq, Bombus impatiens sn, Bombus pensylvanica sn; Anthophoridae (Anthophorini): Anthophora abrupta sn fq; Anthophoridae (Ceratinini): Ceratina dupla dupla sn fq; Anthophoridae (Epeolini): Epeolus bifasciatus sn, Triepeolus lunatus concolor sn; Anthophoridae (Eucerini): Florilegus condigna sn fq, Melissodes bimaculata bimaculata sn fq, Melissodes communis sn , Synhalonia dilecta sn , Synhalonia rosae sn; Anthophoridae (Nomadini): Nomada articulata sn; Megachilidae (Coelioxini): Coelioxys octodentata sn, Coelioxys sayi sn fq; Megachilidae (Megachilini): Megachile addenda sn cp, Megachile brevis brevis sn, Megachile latimanus sn/cp (Cng), Megachile montivaga sn, Megachile pugnatus sn, Megachile texana sn; Megachilidae (Osmiini): Hoplitis cylindricans sn cp, Hoplitis pilosifrons sn cp fq, Osmia distincta sn

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon sericea sn (Rb, Cng), Agapostemon virescens sn, Augochlorella aurata sn, Augochlorella striata sn cp fq, Halictus confusus sn, Halictus ligatus sn, Halictus rubicunda sn fq, Lasioglossum imitatus sn cp, Lasioglossum lustrans sn (ET), Lasioglossum pilosus pilosus cp, Lasioglossum versatus sn cp fq; Andrenidae (Andreninae): Andrena sp. sn/cp (Cng); Andrenidae (Panurginae): Calliopsis andreniformis sn fq

Sphecidae (Bembicinae): Bembix americana sn, Microbembex monodonta sn fq (Cng); Sphecidae (Sphecinae): Ammophila nigricans sn; Scoliidae: Campsomeris plumipes sn

Syrphidae: Allograpta obliqua fp np, Eristalis tenax sn fp, Parhelophilus laetus fp np, Sphaerophoria contiqua fp np, Syritta pipiens sn (Rb, Cng), Toxomerus marginatus fp np, Tropidia quadrata sn (Rb, Cng); Bombyliidae: Bombylius atriceps sn fq, Bombylius helvus sn, Rhynchanthrax parvicornis sn; Conopidae: Physocephala tibialis sn, Zodion fulvifrons sn; Calliphoridae: Lucilia illustris sn/fp (Cng)

Nymphalidae: Chlosyne nycteis sn; Lycaenidae: Celastrina argiolus sn; Pieridae: Pieris rapae sn (Rb, Cng)

Hesperiidae: Epargyreus clarus sn, Erynnis martialis sn, Euphyes vestris sn, Thorybes bathyllus sn

Scarabaeidae: Anomala lucicola sn/fp (Cng)