a study. How strange it seems that do flea-beetle is of a uniform deep* 
right out here in the Rockies, mid* polished, olive-green color, and this 
way between the seas, the remains of readily distinguishes it from the wavy- 
creatures once endowed with life, and striped and Zimmermann’s species, 
which could only live in ocean depths, both of which are marked with a band 
should be found. Have they wander- of pale yellow on each wing cover. 
ed(with us) this far from the sea, or Although known to exist in western 
has the sea wandered so far from Custer county, reports have not yet 
them? Ages ago, during what is now been received of damage done here 
known by Geologists as the Cretaceous by this insect, but without doubt the 
Period, the ocean, or at least a part cabbages and other allied plants have 
of it, covered what is now the eastern suffered and will suffer from the flea- 
portion of the Greenhorn range of beetle, although in the past the dep- 
mounta^ns. But instead of mountains redator himself appears to have been 
it was then the bottom of an extensive generally unrecognized. The U. S. 
sea, whose billow's rolled and whose Entomologist, in his report for 1884, 
waters ebbed and flowed even as now. writes thus of the Colorado flea-beetle: 
But not to give life and vigor to a “Another flea-beetle injurious to cab- 
dense mountain woodland, but to give bage and other cruciferous plants, is 
life and spirit to a brisk marine popu common in June and July throughout 
lation. T. Charlton. the Rocky Mountain region of Colo- 
(To be continued.) rado, having been found in great num- 
injurious insects of custer county, bers at the very highest elevations.” 
The Colorado Cabbage Flea beetle He goes on to state that the early 
(Phyllotreta albionica) — This is a stages of this beetle are not known, 
long name for a very little beetle, not but probably the larvae are small yel- 
much bigger than a flea, and it is be- lowish-white maggots, feeding upon 
cause of its small size, and vigorous the roots of cabbages and turnips, 
hopping, that it has recei\ed the name As it is very desirable to ascertain the 
of “flea beetle.” A similar beetle, true history of the early stages of the 
which infests the turnip, has been for Colorado flea beetle, as well as the 
ages known in Europe and dreaded amount of its ravages both in the lar- 
as the “turnip-flea,” while there are val and perfect states, we would ask 
are two other cabbage flea-beetles those who grow cabbage, turnip, 
known in America, called respectively mustard or radish next summer to 
the wavy-striped flea-beetle and Zim- note whether the beetles are present, 
mermann’s flea-beetle. The Colora- and whether they gnaw innumerable 
* Am * 
