Three Mosquito Pools Test 'Positive' for WNV; Frisco to Spray Saturday, Sunday Nights. (August 12, 2016) The City of Frisco will spray for mosquitoes August 13 and 14 after receiving confirmation three additional mosquito pools tested âpositiveâ for West Nile virus (WNV). Read on...
Grasshoppers have large compound eyes and and have a board field of vision. Mouthparts-Mouthparts have evolved for special needs for different insects. They can chew, suck, pierce, lap, and sponge-up their food. Grasshopper has the most primitive type of mouthparts for chewing.
The specialized muscle called the irisâthatâs the colored portion of the eyeâcan contract the pupil to a round pinpoint in bright light, or open wide to allow in more light during low light. The lack of color sense is balanced by the dog having many more rodsâlight sensitive cells on the retinaâthan people do.