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Australian Carpenter Bees
X. bombylans life cycle

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Discussion
Introduction
Methods
Locations
Nest Types
Banksia Tree
Xanthorrhoea flower
Cell Construction
Egg Size
Life Cycles
X. aeratus life cycle
X. bombylans life cycle
Wrap-Up

Multi-female colonies  in WW were present in early
    spring and were 86% solitary female by by late
    spring
 
Another observation site, Yamba, had multi-female
    colonies during the winter, but were completely
    solitary by mid-spring
 
This is species is bivoltine (produces 2 generations
    each year).  This was determined by the fact that
    newly emerged females in mid-summer were
    mated and laid eggs in WW
 
The most significant difference between the two
    species is that the X. bombylans are bivoltine and
    the X. aeratus are univoltine (produces one brood
    per year)