gradually become knife- or sabre-like and
erect on reaching the sensilla placodea
field. The setae are larger on the inner side
of the antenna (fig 5). The outer side of
1S 0e has smooth and curved setae. A few
bifid and trifid setae are present on the flagellum.
Some setae are patterned (fig 6).
More sensilla trichodea were found than
any other type. Other sensilla occurred
with decreasing frequency: sensilla placodea
> sensilla coeloconica/sensilla ampullacea
> sensilla basiconica > sensilla campaniformia.