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![A roly poly bug (Armadillidiidae) hiding inside a dead log during winter in southeastern US](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637602566-EFRWN3LKKATDIOPUFCIV/IMG_3977.jpeg)
![Pill bug rolling up for defense at 20x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637656639-E3K0P5XC8G2SNZPHG8C4/IMG_4015.jpeg)
![Armadillidiidae ventral side showing four white gill structures at 20x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637598754-U887F4FUW7IUO4FE380T/IMG_4005.jpeg)
![Cranefly or Mosquito hawk spiracle (Tipulidae) at 40x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1642731660369-FKZ2VJGI3RUTAZEWO3AQ/38350DDA-6BB0-4A18-83A6-710CDEAD0403.jpeg)
![Insect (Lampyridae) tracheae stained with Methylene Blue and Toludine Blue O at 100x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637732551-N8UJM8YTYE5IZR7TA9VP/IMG_3093.jpeg)
![Stained insect tracheae at 400x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637605976-YQ9FK994YFSF1NX1N0ND/IMG_3116.jpeg)
![Armadillidiidae folded gill structures at 40x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637604608-LTQR5TNNF02IABTIQDPT/IMG_4093.jpeg)
![Armadillidiidae lung like structures at 40x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637608290-727T2N1J97FH72KS1MLN/IMG_4036.jpeg)
![Armadillidiidae gill structures that are hallow and branched at 40x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637599558-8891ONK0R0VUED30F23G/IMG_4047.jpeg)
![Armadillidiidae gill structure at 100x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637597870-I7GO2MTHQ4VJ9CV2VPSD/IMG_4066.jpeg)
![Armadillidiidae folded pleopod structure at 400x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637601828-7VE1VB39YGLPSA45E86H/IMG_4061.jpeg)
![Ventral side of Armadillidiidae showing a coating of moisture at 20x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641637600521-MDET93OVHBV8VIS61UMJ/IMG_4082.jpeg)
![Roly poly bug (Armadillidiidae) breathing through wet gills at 20x](https://images.squarespace-cdn.com/content/v1/57b4355cbe65942bdfc8d605/1641678992769-R37HHIPEXIM87AER69KK/image-asset.jpeg)