Flower-Visiting Insects
of Black
Willow
Salix nigra (Black Willow)
(bees suck nectar or collect pollen, other insects suck nectar; information is available for staminate flowers only; a few observations are from Krombein et al. as indicated below, otherwise they are from Robertson; information about oligolegy in bees is from Krombein et al.)
On staminate flowers:
Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn cp fq; Apidae (Bombini): Bombus griseocallis sn, Bombus pensylvanica sn; Anthophoridae (Ceratinini): Ceratina calcarata sn, Ceratina dupla dupla sn; Anthophoridae (Nomadini): Nomada cressonii sn, Nomada cuneatus sn fq, Nomada denticulata sn, Nomada illinoiensis sn fq, Nomada integerrima sn, Nomada obliterata sn fq, Nomada ovatus sn fq, Nomada sayi sn; Megachilidae (Osmiini): Osmia lignaria lignaria sn cp
Bees (short-tongued)
Halictidae (Halictinae): Agapostemon sericea sn cp, Augochlorella aurata sn, Augochlorella striata sn cp fq, Augochloropsis metallica metallica sn, Halictus confusus sn cp, Halictus ligatus sn cp, Halictus rubicunda sn cp, Lasioglossum cinctipes sn cp, Lasioglossum forbesii sn cp, Lasioglossum foxii sn cp fq, Lasioglossum imitatus sn cp fq, Lasioglossum macoupinensis sn, Lasioglossum pectoralis sn cp, Lasioglossum pilosus pilosus sn cp fq, Lasioglossum pruinosus sn cp, Lasioglossum tegularis sn cp, Lasioglossum versatus sn cp fq, Lasioglossum zephyrus sn cp fq, Paralictus cephalotes sn; Colletidae (Colletinae): Colletes inaequalis sn; Andrenidae (Andreninae): Andrena andrenoides andrenoides sn cp fq olg (Rb, Kr), Andrena bisalicis sn cp olg, Andrena carlini sn, Andrena crataegi sn cp fq, Andrena cressonii sn cp fq, Andrena dunningi sn cp, Andrena erythrogaster sn cp fq olg (Rb, Kr), Andrena forbesii sn, Andrena heraclei sn cp, Andrena hippotes sn cp, Andrena illinoiensis sn cp fq olg, Andrena imitatrix imitatrix sn cp, Andrena macoupinensis sn cp, Andrena mandibularis sn cp, Andrena miserabilis bipunctata sn cp fq, Andrena nigrae sn cp, Andrena nuda sn cp, Andrena personata sn, Andrena rugosa sn cp, Andrena salictaria sn cp fq olg (Rb, Kr), Andrena sayi sn cp fq
Wasps
Chrysididae: Chrysura pacifica; Braconidae: Agathis simillimus fq; Vespidae (Eumeninae): Ancistrocerus adiabatus
Flies
Bibionidae: Bibio albipennis albipennis, Bibio pallipes; Syrphidae: Allograpta obliqua, Cheilosia capillata, Cheilosia punctulata, Chrysogaster antitheus, Eristalinus aeneus, Eristalis arbustorum, Eristalis dimidiatus, Eupeodes americanus, Helophilus fasciatus, Psilota buccata, Sphaerophoria contiqua, Syritta pipiens, Syrphus ribesii, Toxomerus marginatus; Empididae: Rhamphomyia limbata, Rhamphomyia priapulus fq, Rhamphomyia sordida; Bombyliidae: Bombylius major; Conopidae: Myopa vesiculosa fq, Myopa vicaria fq, Zodion fulvifrons; Tachinidae: Archytas analis, Gymnosoma fuliginosum, Linnaemya comta, Siphona geniculata; Calliphoridae: Cynomya cadaverina; Muscidae: Neomyia cornicina; Anthomyiidae: Delia platura fq; Scathophagidae: Scathophaga furcata
Butterflies
Nymphalidae: Vanessa virginiensis; Pieridae: Colias philodice
Beetles
Cerambycidae: Molorchus bimaculatus; Chrysomelidae: Acalymma vittatum; Lampyridae: Ellychnia corrusca
Flower gender unspecified:
Bees (short-tongued)
Colletidae (Hylaeinae): Hyaleus mesillae (Kr); Andrenidae (Andreninae): Andrena rubi (Kr)