molt to (blank) instar

[popcangenie]

this is my red rump "ruby" she molted sept 1st and i was wondering what instar she is im thinking 2? she was 1 inch before she molts and grew about .5 if that helps

 

[spiderworld]

this is my red rump "ruby" she molted sept 1st and i was wondering what instar she is im thinking 2? she was 1 inch before she molts and grew about .5 if that helps

It goes-

egg
egg with legs
1st instar
2nd instar-(fully formed spiderling) & there is the odd exception to this rule!

So yours may be about 4th or so! but we cant say for sure!