10 
<.ocoons were found abundant in early-set cabbages near Fort Col- 
Hns on June 10, this vear, and the moths began emerging m our 
breeding cages on June Ki. Last fall moths were as 
August If the insect hibernates as a clirNsalis [F g. <- J, 
must have been a brood after the last date, so tins insect is at least 
two and nrrably three or four brooded, here. Idiis insect seems 
to bo increasing in numbers, and it would not be strange i i 
.should become a serious pest, especially upon young cabbages, ui - 
less "jrorapt action is taken to check its increase. _ 
'There is one reason, however, for hoping that^ it will not soon 
become seriously abundant, and that is, that there aie in is oca i } 
.a number of parasites preying upon T4 TA Rilev 
the Department of Agriculture report lOr 188o, p. 130, Dr. K , 
mentions having bred from this insect a small 
site, Limneria annulipes Gr. From larv® broug . in o , 
tory here last summer, were reared specimens ot Smtera dehra C ., 
^Limneria dubitata Cr., *Phieogenes discus Cr., and a species o 
*Pteromalus. „ , j- Thp 
The remedies are the same as for the preceding species. Ihe 
applications should be made early, so as to destroy the^first broo , 
and thus prevent the increasing numbers ot the succeeding broods. 
FLEA-BEETLES. 
(The Two-Stbiped Plea-Beetle, Systena tceniata Say-) 
tllBLloGEAPHY Sykosymy.-.Vs given by Geo. H. Horn.M. D.. in Trans. Am. Ent. 
' ■^'’‘s^S,.;&a!“ay, Long’s Second Expedition, p. 294 ; edit. Lee., i., p. 195. 
S. ftZaiida, Mels., Proc. Acad., 111., P. lb4. 
S. ligata, Lee., Pacific R-K. Kep., 1857, p. 68. 
aS. oc/tmcea, Lee.,Proc. Acad^, IHoS, p. 8/. 
S. viitis. Lee., Proc. Acad , 18o8- P. 87. 
ii. bitceniata, Lee., Col.. Kao., 185.1, P-y®. 
S. rtallidula. Boh., Eugen. Resa, p. Ivi. 
This is one of the worst flea-beetles that gardeners have to con¬ 
tend with in Colorado, and, at the present time (June 24), is doing 
serious injury to the small potato plants in the 
The mature insect is shown much enlarged m Fig. y .Phe actual 
length varies from l-8tli to 7-48ths of an inch. Viewed with the 
naked eye, the beetle appears black m color, with a reddish brown 
head and thorax, and a distinct light yellow line running near y 
the entire length of each wing cover. 
Prof Bruner, of the University ot Nebraska, speaks of th 
insect as very variable in its color, so.no specimens being almost 
white. The color of those taken here have been very uniform, 
and as above stated. , i i 
This flea-beetle, though widely distributed through the United 
States, seems to do its chief injuries in the West, 
in the collection here were taken by myselt at Fort Collins, North 
* Determined by W. H. Ashmead, Dep. of Agr., Washington, D. C 
i 
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