Eisenia foetida may be more familiar to you as red worms, red wigglers, manure rooms, fish worms, dung brand- ings or even apple pomice worms. They leave humus behind them as and when they go. In contrast to the red wigglers, who are quite happy living on top of each other, night crawlers don't encounter their own kind all that frequently. Here's some trivia for your next party. When I was a kid, I was told when worms surface after a rain it was to avoid drowning.
Moisture is essential to their survival.
What they really are doing, is looking for a sex partner and a convenient flat place to mate. But, I digress. Next week, I'll tell you why these worms are important to home gardeners and how you, too, can harness their power for your own use. That's all for now. Good luck and great gardening.