Quote:
Originally Posted by mtngoat
Una pregunta, pro favor  . Why are they called lady'birds'? I've only known them as lady'bugs', and is there a way to diffrentiate a male from a female? 
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Two or three questions there!
'Ladybug' is a USAmerican term (possibly all of America?), ''ladybird' is the English term, 'ladybeetle' is sometimes also used!
Ladybirds/ladybugs are beetles, members of the Coccinelidae family of the order Coleoptera, therefore
not bugs.
In general, if you have a group of ladybirds and separate out the larger ones from the smaller then you will have separated the females from the males! Females, in most insect groups, are larger than the males.
If that's not good enough for you then you can observe them mating - amongst beetles, the one on top is the male!
If that doesn't work, then you will need to kill them and dissect the genitalia

- so, unless it matters, don't worry!