1. FAMILY DROSOPHILIDAE
A VERY LARGE FAMILY WITH SOME ?? SPECIES. PARTICUARLY COMMON IN TROPICS.
SOME 72 SPECIES IN OHIO.
GREAT VARIETY OF LARVAL FEEDING HABITS. MANY FEED ON DECOMPOSING FRUITS, UTILIZING YEASTS.

2. SAMPLING FOR ADULTS
SPECIES ATTRACTED TO DECAYING FRUITS CAN BE EASILY COLLECTED BY USING BANANA BAITS. ALLOW BANANA TO DECAY FOR TWO DAYS, THEN PLACE OUTSIDE.
COLLECT DROSOPHILA ADULTS BY TRAPPING IN A BAGGIE. CLOSE USING A TWIST-TIE AND PLACE BAGGIE IN FREEZER FOR AN HOUR OR SO.

3. EXAMPLE OF A BANANA BAIT

4. DROSOPHILA IN PETRI DISH – ONE SAMPLE

5. TABULATING DATA 1. DETERMINE NUMBER OF “SPECIES”
2. DETERMINE TOTAL NUMBER OF INDIVIDUALS.
3. DETERMINE NUMBER OF INDIVIDUALS IN EACH “SPECIES”

6. DO A STATISTICAL ANALYSIS