IIB Flashcards
(58 cards)
Wing beat frequency of bee
200 cycles/second
Thoracic flight temperature
46 degrees Celsius
Average flight speed of worker bee
24 km/hour
Average flight speed with full nectar loads
6.5 m/sec / 23.4 km/hr
Unloaded worker bees average flight
7.5 m/sec / 27 km/hr
Bees can no longer fly if
Blood sugar falls below 1%
Africanized bees during swarm flights
30 mg of honey (w 20 mg sugars) and fly 60 km
The bee’s foreleg
Clean its antennae
The bee’s mid-leg
Helps with walking, for packing loads of pollen (sometimes propolis) into pollen baskets
A sticky resinous substance from buds of trees and use to seal up cracks of hive; bee glue
Propolis
The bee’s hind legs
Contain special combs and pollen press (worker bee); to brush, collect, pack, and carry back into the hive
Tiny holes along the sides of bee’s thorax and abdomen, how a bee breathes
Spiracles
Which hole does the tracheal mites gain access to the trachea?
First hole in the thorax
These are attached to the spiracles
Trachea (breathing tubes)
How many abdominal segments?
10 abdominal segments
This is the first abdominal segment
Propodeum
They are hidden inside the 7th segment
8th (found next to the 7th), 9th, and 10th segment
Two additional segments are found in the ?
Worker bee (stinger), Queen and Drone (reproductive organs)
These two additional segments are ?
Highly reduced, appear internally as small soft plates
A highly modified ovipositor evolved for its defensive function
Bee sting
The large basal structure of bee stinger (tapered, protruded sharp-pointe shaft)
Bulb of stylet
A solid structure shaft with three separable pieces
One above the stylet, two below the lancets
Why do bees die after stinging?
Massive abdominal rupture
The stinger left in the skin continues to pump venom for ?
30 - 60 seconds