a fly ponders, helina reversio on marram leaf

actions ammophila ammophilla animalia arenaria arthropod brachycera calyptratae creatures cyclorrhapha diptera entomology fauna flies flora fly grass helina hexapod hexapoda hexapods house insecta insects invertebrate marram mesofauna monocots muscidae muscoidea muscomphora nature pausing plants poaceae poales resting reversio schizophora stationary vegetation wildlife