Land snails and spider webs

A few years ago I published a brief paper on dangling snails. Dan Dourson just sent me the following text and picture:

“While crawling across a spider web, a flat bladetooth, Patera appressa appears to glean precious (condensed) water during a dry period in late July, Red River Gorge, Powell County, Kentucky. Land snails are often seen on spider webs, crawling effortlessly across the web’s sticky surface without becoming entangled; an act that would imprison most other invertebrates of similar size. There is some evidence that snails are attracted to the silk nets (that trap condensed moisture) for a source of drinking water.”

spider web DD

Not truly Neotropical, but still interesting enough to share here.


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