Overlapping is wing coupling mechanism in insects

6.  This is finger like
process at the base of
posterior border of the
front wing which is
projects under the
hind wing
 e.g. Jugate Moth

8. Overlapping
 Anal margins
overlaps with the
costal margin of hind
wing
 e.g. Butterfly

10. Hamuli
 It consists of rows of
minutes hooks on the
anterior border of the
third hind wing that
catch into the uprolles
hind border of the wing
 e.g. Honey bee

12.  Strong curved process
(in male) or a group of
strong hairs(in female on
the lower side of fore
wings,
 Frenulum is held by
retinculum
 e.g geometrid moth

14. Thanks
4
Patience