I knew I'd left that pdf open for a reason, here you go:
Spider: 300, 600, 900, 1200
Earwig: 1000
DDT Bomb: 800
Dragonfly: 500
Mosquito: 400
Beetle: 300
Bee: 200
Inchworm: 100
Millipede Head: 100
Millipede body: 10
Mushroom: 1
Hitting a DDT Bomb when the bees start dropping in waves: buttloads
I know that hitting bees during the rush of them makes the value increase by 200 for each one you hit, plus the DDT bomb makes enemies near it worth more points.