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. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California . mming in circles on the surface of ponds and still are peculiarly characterized by the possession of compound eyeson each side of the head, which are distinctly divided into two parts bythe sharp lateral margins of the head. They are of slight economicvalue, though destroying some mosquito larva?. Tribe ClavicoPnia. This tribe comprises those beetles which have clubbed antenna?. The family Hydrophilidse are the water-scavengers, usually blackin color, though some
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California . mming in circles on the surface of ponds and still are peculiarly characterized by the possession of compound eyeson each side of the head, which are distinctly divided into two parts bythe sharp lateral margins of the head. They are of slight economicvalue, though destroying some mosquito larva?. Tribe ClavicoPnia. This tribe comprises those beetles which have clubbed antenna?. The family Hydrophilidse are the water-scavengers, usually blackin color, though some have orange or red markings along the margins,convex above, flattened below, smooth and polished, and possessingshort antenna?, which are clavate or clubbed. Certain of the smallerspecies are small, and have a rough body wall, and crawl on the bottomof ponds and streams instead of swimming, and still others are landforms. One species, Hydrophilus triangularis, is often seen flying aboutelectric lights. All live on decaying matter, but are of slight economicimportance. 132 REPORT OP THE COMMISSIONER OF
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Keywords: ., bookauthorcaliforn, bookcentury1800, bookdecade1850, bookyear1853