Immediately following a colony site is found, new public, bumble bee king collects pollen and lays this lady first brood from worker egg. Pros emerge on 21 weeks following the egg are placed and you will dominate the fresh responsibilities out-of pollen and nectar range also given that colony coverage. The dimensions of the workers develops with each the new brood. A 3rd caste off bumble bees, the brand new guys, is frequently produced in midsummer.
Bombus bimaculatus Cresson 1863, the fresh twospotted bumble bee. Their range extends regarding Ontario to Maine, south to Fl, and western to help you Illinois, Ohio, Oklahoma and Mississippi. Fl state information are: Alachua, Clay, Franklin, Highlands, Lake, Levy, Marion, Okaloosa, and Lime.
The diversity stretches regarding Nj-new jersey to Fl, and you can west in order to Northern and Southern area Dakota, Nebraska, Texas and you will The newest Mexico. Fl condition details tend to be: Alachua, Franklin, Gadsden, Levy, Liberty, Orange, and you may St. Johns.
Bombus griseocollis (DeGeer) 1773, the fresh new brown-belted bumble-bee. Its range stretches out of Quebec and you will Maine to Florida, and on Western West (DL 21011). Florida state information are Alachua, Clay, Collier, Highlands, Marion, and you can Osceola.
Bombus impatiens Cresson 1863, the average east bumble-bee. So it varieties are native out of Ontario to help you Maine and you may southern in order to Fl and you may try put in the California as well as in Uk Columbia, Canada (EOL 2011). Fl state details are Alachua, Bradford, Calhoun, Escambia, Franklin, Jackson, Gadsden, Highlands, Levy, Liberty, Okaloosa, Orange, Palm Beach, Polk,and you can Santa Rosa.
Bombus pensylvanicus (DeGeer) 1773, the newest Western bumble bee. Its variety offers off Quebec and Ontario, Maryland south to Florida, then west in order to Minnesota, Southern area Dakota, Nebraska, Tx, The latest Mexico and you can Mexico (Anonymous 2011). Fl state details are: Alachua, Bradford, Collier, Escambia, Flagler, Highlands, Lake, Lee, Levy, , Sarasota, Santa Rosa.
Bombus terricola Kirby 1837, the reddish-banded bumble-bee. To start with, so it variety lengthened away from Nova Scotia so you can Florida, west so you can Uk Columbia, Montana and South Dakota. Whenever you are immediately following popular, the keeps ). Zero specimens seen off Fl, but submitted out of Fl because of the Mitchell (1962).
Key to new Bumble Bees when you look at the Florida (To Better)
Shape 10. Figures from Florida Bombus spp. 1. Bombus fraternus, dos. Bombus pensylvanicus, step three. Bombus impatiens, cuatro. Bombus griseocollis, 5. Bombus bimaculatus, six. Bombus griseocollis, eight. Bombus bimaculatus. Photograph by Office from Plant World.
step one. Antenna which have several avenues; instinct which have half a dozen visible terga; idea off abdomen directed, which have stinger; corbiculae for the hind tibiae (maybe not Psithyrus); effective all june; people (queens and you can workers) . . . . . 2 1′. Antenna having thirteen segments; instinct that have eight apparent terga; tip regarding gut round, zero stinger; hind tibia use up all your corbiculae; effective of middle of summer till cold temperatures; males . . . . . seven
dos. Hind tibia relatively thin, as opposed to corbiculae; cleptoparasitic models . . . . . Bombus variabilis 2′. Hind tibia with well-build corbiculae (pollen-meeting Bombus spp.) . . . . . 3
Bombus fraternus (Smith) 1854, the brand new southern area plains bumble bee
step three. Posterior half of scutum and all sorts of scutellum that have black colored pubescence (Zero. 2) . . . . . Bombus pensylvanicus 3′. Rear half of scutum and scutellum with yellow pubescence . . . . . cuatro
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cuatro. Dorsum off thorax that have an obvious, transverse group of black pubescence between side basics (Zero. 1) . . . . . Bombus fraternus 4′. Dorsum regarding thorax in the place of transverse black ring anywhere between side basics . . . . . 5
6. Horizontal ocellus extremely lower than supraorbital range (No. 6) . . . . . Bombus griseocollis 6′. Lateral ocellus in the number of supraorbital range (No. 7) . . . . . Bombus bimaculatus
seven. Hind tibia convex, heavily pubescent to the exterior skin; gonostylus far surpassing apex out of gonocoxites; cleptoparasitic versions . . . . . Bombus variabilis 7′. Hind tibia a bit hit bottom, sparsely pubescent toward external body; gonostylus very little exceeding apex out-of gonocoxite (pollen-collecting Bombus spp.) . . . . . 8
8. Sight always converging more than, lateral ocelli better margins away from sight rather than each other; malar space only about step 1/4 basal thickness of mandible . . . . . 9 8′. Vision on the synchronous, lateral ocelli closer to both rather than vision margins; malar room in the so long as basal depth away from mandible . . . . . ten
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