Flower-Visiting
Insects
of Gumweed
Grindelia squarrosa (Gumweed)
(Bee flies and cuckoo bees suck nectar, otherwise insect activity is unspecified. Observations are from Reed, Graenicher, Krombein et al., Discover Life, Williams, Stevens, and Rightmyer as indicated below. Gumweed is native to the central & western plains, although it is sometimes adventive further to the east.)
Bees (long-tongued)
Anthophoridae (Ceratinini): Ceratina sp. (Re); Anthophoridae (Epeolini): Triepeolus helianthi sn (Rtm), Triepeolus lunatus sn (Rtm), Triepeolus micropygius sn (Rtm), Triepeolus occidentalis sn (Rtm), Triepeolus pectoralis sn (Rtm), Triepeolus subalpinus sn (Rtm), Triepeolus subnitens sn (Rtm); Megachilidae (Megachilini): Megachile brevis (Stv), Megachile centuncularis (Stv), Megachile latimanus sn (Re, Stv), Megachile manifesta (Stv), Megachile parallela (Stv), Megachile petulans (Stv), Megachile relativa fq (Stv), Megachile wheeleri (Stv)
Bees (short-tongued)
Halictidae (Halictinae): Lasioglossum lineatulum (Re), Lasioglossum pilosum (Re); Halictidae (Nomiinae): Nomia nortoni nortoni (Kr), Nomia triangulifera (Kr); Andrenidae (Andreninae): Andrena accepta (Kr), Andrena canadensis (DL), Andrena hirticincta (DL); Andrenidae (Panurginae): Calliopsis coloradensis (Kr)
Flies
Bombyliidae: Sparnopolius confusus sn (Gr), Systoechus sp. sn (Re); Syrphidae: Eristalis stipator (Re)
Beetles
Cantharidae: Chauliognathus pennsylvanicus (Wms)