. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 142 CALIFORNIA FISH AND GAME. PARASITES WHICH AFFECT THE FOOD VALUE OF RABBITS. By E. RALPH DE ONG, University of California. A fringe of small, lead-colored bodies, the size of coarse shot, is fre- quently seei the ears of the brush or cottontail rabbits. These are young licks, the immature form of < I' our common species, prob- ably the wood tick (Dermacentor occidentals). After hatching from lhe egg the young ticks wait in the g
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 142 CALIFORNIA FISH AND GAME. PARASITES WHICH AFFECT THE FOOD VALUE OF RABBITS. By E. RALPH DE ONG, University of California. A fringe of small, lead-colored bodies, the size of coarse shot, is fre- quently seei the ears of the brush or cottontail rabbits. These are young licks, the immature form of < I' our common species, prob- ably the wood tick (Dermacentor occidentals). After hatching from lhe egg the young ticks wait in the grass for a passing rabbit or other animal, attach themselves and Peed for three or four days, drop to the ground and molt (shed their old skins), then await another chance to feed. The presence of these ticks lias no effect on the rabbit except a slight loss of blood and a temporary annoyance, and as this tick has not been. Fig. 48. A young blacktailed jackrabbit, an animal often discarded for food cause of th< pn ei C parasites. Photograph by J. Dixon. Neg. 290, Calif. .Mus. Vert. Zool. reported in California as a carrier of any disease it need not be con- sidered as of any significance. The species of fleas commonly found on rabbits in this state have not 1 ii reported as disease carriers so thai the presence of these insects can also be disregarded. One species of b:)1tl\ I (( ' U /( n h ni sp. I attacks rabbits verv commonly. The Larvae of this fly is almost black in the mature stage, about three- fourths of an inch long and covered with tiny spines. Brush rabbits taken in Sonoma County up to the last of July were commonly infested with this insect. Alter the lirst of AugUSl no larva- were found, they apparently coming to maturity at this time. They then leave the host and bury themselves in the ground, emerging the following year as flies. The larva' are found jusl beneath the skin along the back or Please note that these images are extracted from scanned page
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