Ten-lined June beetle up to 2 inches with 3 pairs of legs, with a white body and brown head. The larval stage can last as long as 4 years. Ten-lined June beetle The ten-lined June beetle ("Polyphylla decemlineata"), also known as the watermelon beetle, is a scarab beetle, living in the western United States and Canada. The adults are attracted to light and feed on foliage. They can make a hissing sound when touched or otherwise disturbed, which can resemble the hissing of a bat. This sound is made by their wings pushing down, forcing the air out between their wings and back.
SCORE Class 4 four-cylinder engine. Single seat vehicles are limited to 2.2 liter engines but two-seat vehicles are limited to 2.4 liter. 2.4 liter engines must use the cable controlled 2.2 liter throttle body. No fly by wire throttle bodies are permitted. Engine must remain stock as delivered by the manufacture. Engine must be sealed by SCORE prior to being installed into vehicle. Must use stock Delphi MEFI ECU 4 or 5. Unlimited. No production bodied vehicles are allowed in this class. SCORE Class 4 SCORE Class 4 is a limited four-wheel, single or two-seat vehicle class that competes in the SCORE off-road