Bombus fervidus (Fabricius, 1798)
  Apoidea   Apidae   Bombus
Subgenus: Thoracobombus

Bombus fervidus Golden Northern Bumble Bee
© Copyright Hadel Go 2014-2015 · 9
Bombus fervidus Golden Northern Bumble Bee

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Bombus fervidus, female, face 2012-07-25-12.36.59 ZS PMax
© Copyright source/photographer · 9
Bombus fervidus, female, face 2012-07-25-12.36.59 ZS PMax

Bombus fervidus, Male antenna face hair
Deana M. Crumbling · 9
Bombus fervidus, Male antenna face hair

Bombus fervidus, W-face
Deana M. Crumbling · 9
Bombus fervidus, W-face

Bombus fervidus, W-malar space
Deana M. Crumbling · 9
Bombus fervidus, W-malar space

Bombus fervidus
Pennsylvania Department of Agriculture · 8
Bombus fervidus

UGCA195772 01.queen.320.jpg
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UGCA195772 02.queen_front_top.320.jpg
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queen front top

UGCA195772 03.queen_rear.320.jpg
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queen rear

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queen rear tip

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queen Antenna Elbowed

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queen top

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Tergum 1 Yellow

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queen front

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queen side

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queen rear leg

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queen wings

UGCA195773 01.worker_top.320.jpg
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worker top

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UGCA195773 03.worker_rear.320.jpg
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worker rear

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worker rear tip

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worker front top

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worker front

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worker wings

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worker side

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worker rear leg

UGCA195774 01.male_front.320.jpg
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male front

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male front top

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male side

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male rear leg

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male rear tip

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male wings

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male top

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male rear
45 thumbnails  •  slide show
IDnature guides
Reprinted with permission from: Mitchell, T.B. 1962 Bees of the Eastern United States. North Carolina Agricultural Experiment Station Technical Bulletin No. 152.

QUEEN—Length 19-21 mm., breadth of abdomen 9.5 mm.; black, including legs, spurs and tegulae; wings deeply infuscated, veins brownish to piceous; apical margins of abdominal terga narrowly yellowish-hyaline, pubescence copious, rather elongate in general, largely black on head but with a small amount of greyish pubescence intermixed in the black just above antennae; pubescence yellow, long and dense on pronotum, tubercles, pleura above, anterior half of scutum and entire scutellum, black on posterior half of scutum, pleura below and posteriorly, propodeum, and legs in large part; corbicular fringe of elongate black hairs; basitarsus covered with extremely fine pale tomentum which does not quite hide the surface, fringed posteriorly with black hairs, those toward the base more elongate; pubescence yellow on abdominal terga 1-4, black on 5 and 6; clypeus closely and deeply punctate laterally and above, the interspaces in part very minutely punctate, being thus doubly punctate, the median apical area shining and largely impunctate; labrum rather broadly rounded or sub- truncate, elevated basally on each side of midline where t is somewhat excavated, with a median, transverse row of short, fuscous hairs; apex of mandible with a deep notch at upper angle, and a finer notch just below, otherwise broadly rounded, outer face smooth, somewhat shining but minutely roughened; malar space smooth and shining, with scattered, very minute punctures, considerably longer than basal width of mandible, the eye about three and one-half times longer; lateral ocelli very slightly nearer eyes than to each other, and slightly nearer each other than to margin of vertex; median area of face very closely and finely punctate, punctures becoming more deep, distinct and coarse above, surface around ocelli more or less shining and impunctate, vertex finely and densely punctate medially, becoming somewhat more distinctly and finely punctate laterally; antennal scape somewhat more than half length of flagellum, basal segment of flagellum slightly shorter than segments 2 and 3 combined, slightly shorter than 3; posterior margin of hind basitarsus very slightly curved; tergum 6 narrowly rounded apically, rather flat, somewhat shining, minutely punctate.

WORKER—Length 10.5-ill mm., width of abdomen 4-6.5 mm.; similar to queen except for size, but clypeus not so definitely doubly punctate, with a much broader median area that is shining and largely impunctate.

MALE—Length 11-20 mm., breadth of abdomen 5-7 mm.; black, including legs, spurs and tegulae piceous; wings lightly infuscated, veins testaceous to piceous; apical margins of abdominal terga 1-5 narrowly yellowish-hyaline; pubescence copious and elongate, largely black on head, but face and cheeks with some obscure, short, greyish pubescence intermixed at base of the elongate black hairs, and a few yellowish hairs intermixed among the black on vertex; pubescence yellow on pronotum, anterior half of scutum, scutellum, pleura in large part, and propodeum, black on posterior half of scutum, resulting in a conspicuous black interalar band; basal segments of legs with more or less intermixed dark and light pubescence, but largely black on tibiae and tarsi, hind tibiae somewhat dilated apically, with very short, black hairs fringing both anterior and posterior margins; pubescence bright yellow, short and dense on abdominal terga 1-5, largely black on 6 and 7; clypeus closely and rather finely punctate laterally and above, median apical area shining and largely impunctate, punctures of two distinct sizes; labrum rather broadly rounded, narrowly shining and impunctate across base, elsewhere closely and rather finely punctate; mandibles very small and slender, distinctly bidentate at apex, the dorsal tooth somewhat smaller than the other, outer face densely pale tomentose, lower margin fringed with long, curved, fuscous hairs; malar space smooth and shining, with a few scattered, minute punctures, considerably longer than basal width of mandible, eyes slightly less than four times as long; median area of face finely and closely punctate, becoming shining and sparsely punctate above, largely impunctate beneath anterior ocellus and adjacent to lateral ocelli, vertex very densely punctate medially, becoming more distinctly and rather coarsely punctate laterally; basal segment of flagellum distinctly longer than segment 2, 3 nearly twice as long as 2; hind basitarsus very slightly narrowed toward base; genital armature as shown (fig. 130).

DISTRIBUTION — Quebec and New Brunswick to Georgia, west to the Pacific Coast, May to October.

FLOWER RECORDS—Cirsium, Helianthus and Vaccinium. Brittain and Newton (1933) record fervidus on Amelanchier, Caragana, Daucus, Lonicera, Muscari, Narcissus, Phleum, Pyrus malus, Salix, Taraxacum and Tulipa.

Extracted from Bumble Bees and Cuckoo Bumble Bees of California by Thorp, R. (1983).

Aplsfervida Fabricius, 1798, Sup!. EntomoL System., p. 274. w. Lectotype w, no locality (Univ. Zool. Mus., Copenhagen, Denmark) (selected by Milliron, 1960). Geographic range (Map 8). Southern Canada and most of the United States, except the extreme south; New Brunswick to Georgia W to British Columbia and eastern California. but may be separated from jervidus by having more lemon-yellow hair and some black hair medially and laterally on metasomal tergites 1 to 3. No females in California can be assigned to consanguineus. Thus, its subspecific status is not appropriate. Hobbs (1966a) described the biology of B. cali-fornicus and documented the ecological differences in nest habitats for caltfbrnicus (wooded areas of the foothills) and Jervidus (prairie) in southern Alberta. He also found that Psithyrus insubris and P. suckleyi females had invaded nests of B. caltfbr-nicus% and the former species produced some adults. Bombus jervidus (Fabricius) (Figs. 8, 59, 84, 110, 136; Map 8) Aplsfervida Fabricius, 1798, Sup!. EntomoL System., p. 274. w. Lectotype w, no locality (Univ. Zool. Mus., Copenhagen, Denmark) (selected by Milliron, 1960). Geographic range (Map 8). Southern Canada and most of the United States, except the extreme south; New Brunswick to Georgia W to British Columbia and eastern California.
California records. ALPINE CO.: Fredericksbutg; Hope Valley; Monitor Pass; Woodfords. INYO CO.: Big Fine; Bishop, 5 km E; Carroll Creek; Glacier Lodge, Big Pine; Independence; Laws; Lone Pine; Long Valley; Oak Creek; Pine Creek, Round Valley, NW of Bishop; Westsard Pass Plateau. LASSEN Co.: Doyle, 3 km S; Hallelujah Junction; Honey Lake, 5 km N Milford; Litchfield, 18 km N; McArthur, 11 km E; Ravendale, 6.5 km S; Susanville. Moooc Co.: Alturas, 8 km E, and 32 km N; Fort Bidwell, 13 km N; Canby, 3 km E; Cedarville; Davis Creek; Goose Lake; Lake City; NeweH; Saddleblanket Flat MONO Co.: Benton Crossing, Mono Geysers; Black Lake; Bridgeport; Coleville; Cottonwood Creek; Crowley Lake; Grant Lake; Leavitt Meadow; McGee Creek; Mono Lake, 16 km N Lee Vining; Sar¬dine Creek; Tom's Place; Topaz Lake; Whiskey Creek; Whit-more Springs. NEVADA CO.: Truckee. PLUMAS CO.: Quincy, 6.5 km W; Vinton, 10.S km S. SHASTA CO.: Carbon; McArthur, and 11 km E SIERRA Co.: Satttey; Sierraviile. SISKIYOU CO.: Etna, 3 km W; Gazelle; Lower Klamath Lake; Macdoel; Montague; Mt. Hebron, and 11 km S; Tulelake, and 34 km S; Willow Creek. Seasonal flight period (Fig. 8). QUEENS (272): early April to late October. WORKERS (529): early May to late October. MALES (232): early July to early October. Fbwer records. QUEENS (118): Leguminosae 84%. WORKERS (146): Composite 55%; Leguminosae 27%. MALES (86): Com-positae 98%. Total: 350 in 15 families with 34 genera as follows: Althaea: 9w; Aster: lw, lm; Astragalus: 30q, 8w; Baptisia: 2w; Calendula: lm; Caragana: 62q, 5w; Carduus: 2m;

Chrysoihamnta: 8m; Cintum: 6q, 60w, 51m; Cleome: lw, Im; Digitalis: lw, Eptiobium: lw; Geranium: lq; Grindella: lq, Iw; Heitanihus: I6w, 17rn; Hypericum: 2w; Iris: 2q; Lci/rynn: 2w; Ltnaria: 7w; Lupinus: 8w; Mcdicago: lq, 2w; Melthtus: 4w; Afenttefw: lw; Penwemon: lq; Phacelia: lq; Prenanrfte: Iw; /?Aus: lq, Sajtr: Iw; Solidago: 4m; Stachys: Jw; Trifblium: lq, 3w; ktcta: 5q, 6w, Im; (tlrfeefa: 6q; Wyethia: lq. Discussion. B. fervithts is most closely related to 5. callfornicus, and may be separated from it by the characters listed in the discussion of that species. The color pattern of B. fervidus is uniform in California. The biology of this species is discussed by Hobbs (1966a). He found two Psithyrus insuiaris females in B. Jervidus nests, but no adults were produced, and that the conopid fly Physocephala texana killed two queens.

Scientific source:

Supported by
Hosts · map
FamilyScientific name @ source (records)
Asparagaceae  Asparagus officinalis @ UCMS_ENT (1)
Asteraceae  Arctium sp @ BBSL__JPS (1)

Aster sp @ UCMS_ENT (1)

Aster @ CUIC_ENT (1); AMNH_BEE (2)

Carduus nutans @ BMEC_ENT (1)

Carduus @ AMNH_BEE (2)

Centaurea repens @ BBSL (1); BBSL__JPS (2)

Centaurea sp @ BBSL__JPS (6)

Chrysothamnus nauseosus @ BBSL__JPS (6)

Chrysothamnus sp @ BBSL__JPS (2)

Chrysothamnus @ BMEC_ENT (1)

Cichorium intybus @ PN- (2)

Cirsium arvense @ UCMS_ENT (1); BBSL__JPS (11)

Cirsium lanceolatum @ BBSL__JPS (6)

Cirsium sp @ BBSL (5); BBSL__JPS (22)

Cirsium undulatum @ AMNH_BEE (18)

Cirsium vulgare @ BBSL__JPS (3); AMNH_BEE (1); UCMS_ENT (3)

Cirsium @ BMEC_ENT (1); AMNH_BEE (7)

Gaillardia aristata @ AMNH_BEE (1)

Grindelia sp @ BBSL__JPS (1); BBSL (1)

Grindelia squarrosa @ AMNH_BEE (4); BBSL (1)

Helianthus annuus @ BMEC_ENT (4); AMNH_BEE (2); BBSL (3)

Helianthus anomalus @ BBSL (2)

Helianthus petiolaris @ AMNH_BEE (7)

Helianthus sp @ BBSL__JPS (16); BBSL (3)

Helianthus tuberosus @ VTST_ENT (1)

Helianthus @ AMNH_BEE (3); CUIC_ENT (1)

Liatris scariosa @ AMNH_BEE (1)

Onopordum sp @ BBSL__JPS (6)

Pluchea odorata @ UCMS_ENT (2)

Rudbeckia laciniata @ BBSL (2)

Solidago sp @ BBSL (1)

Solidago @ BMEC_ENT (1); CUIC_ENT (8)

Sonchus arvensis @ AMNH_BEE (1)

Taraxacum campylodes @ AMNH_BEE (3)

Townsendia sp @ BBSL (1)
Balsaminaceae  Impatiens capensis @ AMNH_BEE (1)
Boraginaceae  Hydrophyllum virginianum @ AMNH_BEE (1)

Onosmodium occidentale @ AMNH_BEE (1)

Phacelia @ AMNH_BEE (1)
Brassicaceae  Stanleya @ BMEC_ENT (1)

Thelypodium sagittatum @ BBSL (2)

Thlaspi arvense @ AMNH_BEE (1)
Campanulaceae  Lobelia puberula @ BBSL (1)
Capparaceae  Cleome lutea @ BBSL (1)

Cleome serrulata @ BBSL (1)

Cleome sp @ BBSL (3)
Caprifoliaceae  Symphoricarpos albus @ BBSL (2)
Convolvulaceae  Convolvulus arvensis @ UCMS_ENT (1)

Convolvulus sp @ BBSL__JPS (4)
Dipsacaceae  Dipsacus sp @ BBSL__JPS (22)
Ericaceae  Vaccinium @ CUIC_ENT (1)
Fabaceae  Aragallus @ AMNH_BEE (1)

Astragalus bisulcatus @ AMNH_BEE (1)

Astragalus carolinianus @ AMNH_BEE (3)

Astragalus leibergii @ BBSL__BBSLID (1)

Astragalus sinuatus @ BBSL__BBSLID (1)

Astragalus sp @ BBSL__JPS (4)

Astragalus @ AMNH_BEE (4)

Caragana @ AMNH_BEE (10)

Dalea purpurea @ AMNH_BEE (1)

Hedysarum boreale @ BBSL (1)

Lathyrus japonicus @ UCMS_ENT (17)

Lathyrus latifolius @ UCMS_ENT (2)

Lupinus caudatus @ BBSL (1)

Lupinus @ BMEC_ENT (2)

Medicago sativa @ CUIC_ENT (2); AMNH_BEE (1); BBSL (1)

Medicago sp @ BBSL__JPS (5)

Melilotus alba @ BBSL (1)

Melilotus officinalis @ AMNH_BEE (4)

Melilotus sp @ BBSL (6)

Oxytropis sp @ BBSL (1)

Thermopsis rhombifolia @ AMNH_BEE (1)

Trifolium hybridum @ AMNH_BEE (2)

Trifolium pratense @ UCMS_ENT (1); BBSL (2); MLSB__N16- (13); BBSL__JPS (7); AMNH_BEE (13); PN- (39)

Trifolium repens @ PN- (1); BBSL__JPS (1); BBSL (1)

Trifolium sp @ BBSL (6)

Trifolium @ AMNH_BEE (4)

Vicia cracca @ UCMS_ENT (1)

Vicia sp @ BBSL (1); UCMS_ENT (4)

Vicia villosa @ BBSL (8); AMNH_BEE (1)

Vicia @ AMNH_BEE (1)
Hydrophyllaceae  Phacelia hastata @ BBSL__JPS (15); BBSL (2)

Phacelia leptosepala @ BBSL (1)

Phacelia sp @ BBSL__JPS (11)
Hypericaceae  Hypericum perforatum @ BMEC_ENT (1)
Iridaceae  Iris missouriensis @ BBSL (1)
J. rykken  1029 @ JRYB__SHEN (1)

1073 @ JRYB__SHEN (1)

896 @ JRYB__SHEN (1)

928 @ JRYB__SHEN (2)

970 @ JRYB__SHEN (1)
Lamiaceae  Agastache sp @ BBSL (1)

Dracocephalum parviflorum @ AMNH_BEE (3)

Monarda fistulosa @ AMNH_BEE (1)

Monarda sp @ BBSL (2)

Monardella sp @ BBSL (1)

Monardella @ BMEC_ENT (1)

Physostegia parviflora @ AMNH_BEE (2)

Physostegia @ AMNH_BEE (1)

Prunella vulgaris @ CUIC_ENT (1)

Salvia dorrii @ BBSL__BBSLID (1)

Teucrium canadense @ UCMS_ENT (7)
Liliaceae  Allium sp @ BBSL (2)

Maianthemum stellatum @ AMNH_BEE (1)
Onagraceae  Chamerion angustifolium @ AMNH_BEE (1)

Oenothera sp @ BBSL (1)

Oenothera villosa @ AMNH_BEE (1)
Orobanchaceae  Castilleja @ BMEC_ENT (1)
Phrymaceae  Mimulus ringens @ AMNH_BEE (1)
Plantaginaceae  Linaria @ AMNH_BEE (1)

Penstemon @ AMNH_BEE (2)

Plantago lanceolata @ UCMS_ENT (1)

Veronica @ CUIC_ENT (7)
Polycitoridae  Salix sp @ BBSL__JPS (1)
Polygonaceae  Eriogonum umbellatum @ BBSL__JPS (2)

Polygonum sp @ UCMS_ENT (1)
Pontederiaceae  Pontederia cordata @ CUIC_ENT (2)
Ranunculaceae  Delphinium sp @ BBSL (1)
Rosaceae  Prunus virginiana @ BBSL__JPS (1)

Prunus @ AMNH_BEE (3)

Rosa sp @ UCMS_ENT (1)
Salicaceae  Salix @ AMNH_BEE (2)
Scrophulariaceae  Castilleja miniata @ BBSL (1)

Penstemon angustifolius @ BBSL (1)

Penstemon comarrhenus @ BBSL (2)

Penstemon grandiflorus @ BBSL (1)

Penstemon idahoensis @ BBSL (9)

Penstemon washingtonensis @ BBSL (1)

Verbascum sp @ BBSL__JPS (5)
Unplaced  Cenchrus @ BMEC_ENT (1)

Helianthis @ CUIC_ENT (1)

none 3997 @ UCMS_ENT (1)
Verbenaceae  Verbena hastata @ AMNH_BEE (2)
_  Asteraceae @ I_JSA (1)

Lamiaceae @ I_JSA (1)

M Spring @ PN- (44)

Silver thyme @ I_PDA (1)

Withheld @ BBSL__ZION (20); BBSL (99)

blueberry @ NLA (1)

caneberry @ NLA (1)

cucurbit @ NLA (3)

pond edge @ NLA (1)

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