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Keywords from Image Description:
bug bugs spider spiders animal animals animalia arthropod arthropods arthropoda chelicerate chelicerates chelicerata arachnid arachnids arachnida steam tunnel steamtunnel barc usgs pwrc droege biml araneae araneomorphae entelegynes cobweb spider cobwebspider cobweb spiders cobwebspiders theridiidae parasteatoda parasteatoda tepidariorum