52 ORDER OOLEOPTERA. 



Calosoma calidum. (Plate xxi, fig. 15.) 



Head ami thorax black, finely punctured. Elytra ornamented by three rows of metallic 



spots placed upon thick lines, crossed by obscure punctures. Length nine-tenths of 



an inch. 



Both species of Gax,osoua are abundant in the United States ; both feed upon other iu- 



teets, and are useful by diminishing the numl^er of insects injurious to the farmer. They 



'are furnished with wings, are found upon trees, and feed upon the larvae of lepidopterous 



insects : their larvae also have the habits of the perfect insect. 



Gksus NOTIOPHILUS ( Dun.). Elaphrvs ( Fabr.). 



Head as broad as the thorax; eyes lai-ge; thorax quadrate, flattened; labruni large, 

 rounded ; palpi robust. 



NoTiopHTLirs poHRECTus. (Plate XX, fig. l:J.) 



faiseet brown, with a uniform bronze hue. Length from two to three lines. 



This insect is wider in front than posteriorly : the great size of the eyes luak^s the head 

 as prominent as the thorax. 



Genus ELAPHRUS (Fabr.). CiciNDErA (Lin.). 



» Antenna; short ; eyes very prominent ; thorax convex ; labrum slightly trilobed ; palpi 

 ' slender' (Westwood). 



Elaphrus buscaetus (Lin.). (Plate xx, fig. 1-) 



Head, thorax and elytra bronze tinted with green, and singularly marked by dark round 

 spots encircled with green, which give the insect a tuberculate apjiearance ; beneath 

 green and metallic. 

 The insect's body is short, but it has the general appearance of a Cicindela. 



Omophron labiatvm (Fab.). (Plate xx, figs. 11, 12.) 



Head with a deeply notched patch of green at the base, and partially surrounding the 



eyes : thorax black, with green metallic hues bordered with light brown. Elytra 



variegated with black-green metallic hues, and bordered with light brown, traversed 



with many punctate lines ; beneatli brown. 



Var. tesseilatusj Say (fig 12). Obscurely landed; the elytra traversed on their inner 

 margins with black : the brown is more conspicuous, and occupies a larger portion 

 of the elytra. 

 Length about one-fourth of an inch. 



