insect powder

NOUN /ɪnsɛkt_'paʊdər/
13 LETTERS · STARTS WITH I

insect powder is a valid 13-letter word worth 20 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1S1E1C3T1P3O1W4D2E1R1
1 + 1 + 1 + 1 + 3 + 1 + 0 + 3 + 1 + 4 + 2 + 1 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does insect powder mean?