VIII SOME INSECTS INJURIOUS TO TRUCK CROPS. 
The life history of the hop flea-beetle—Continued Page. 
aie. gece <2 le eb PS Ee: 5 aero eaters okey o 8 eben 39 
MEO LOIN, = «bin. cisce> io: spose aieiaye So ch) eine oe eee 39 
dl Yee | ee eerie ghey ee Sirs. Py es AY oe AE EBs = ek eee 40 
Seasonal history ..2.i.-2..2-2-acm sie spe cesar Ses pe ae a a 42 
Length of lifeitycles?: 2. 2c3/.-28e- ses = eee eae ee eee 42 
Number and time of appearance of broods.............-..----.-.---- 43 
Multiplicationite2.-t2. -2} i++ ibe Saree bee Aes ee 43 
Hibernationi.c ) sce <2 6 einewis tae I Ae tl tees ci ee 43 
Dis@as@s noice nid oe nk ceo cike hee eee = ee eee eacecoh= ES Es ee 47 
Fungous diseases... 222 a2 ecedh cece eee keen Os <meta tee ae er 47 
Bacterial diseases: [2c ee eh ES oh ee 48 
Parasites ‘and predaceous enemies: 2940.23. 9: 2.22 odes. ce 48 
Conittel messures:. ho. go2 sheets ss eh SN eh Pee 48 
The jarred: board orstieky/shieldsee s22 seer hss ee oe ee eee eee 48 
Tarred Sled ces: 4245. er tat i. 2 eke ne ee es LE RS oe 49 
Banding with tanglefoot..* 2.7.s pio. eee recon) me oe eae ee 50 
Destruction of hibernatine beetles 2... 224-2292 eee oe eee 52 
Bordeawx Wixturel yoo LER SS Sy. Se RS OE 53 
Bordeaux-tobacco’extract ors: 2 3466. 53 Naseem abe. Pee aoe 54 
"Tobacen: QUBti es: cheese see betes oe lat eeu eee oes aoe eee 54 
Impractical measures. .--- - ET ee re ee Mei LS 54 
STAYING sera Fale she eho ark tc kien ie cee esl ie ee ee ee 56 
MTWANOS. Sn. Sone ent ese esis a Sia me Sree od choke S oeeters ec ae ee 57 
Cultivation ‘and fertilization... 220.0. 33: - Tet eG sae ee ee 58 
Recommendations: «..)i.5.:))-222..Ueee. - Jeo Bele Eee eee eee 58 
Biologic and economic notes on the yellow-bear caterpillar......H. O. Marsh. . 59 
Recenbeinyiry i. -Pone n soo b,- cls GEM. adept coe ee SS el eee eee eee 59 
BiGlOeIC MOLES: seeming tase Fea ne oe eee ieee BERR Cee cee 60 
List/of plants injured 2220-2 ee eo. ee ee 62 
Experiments withiarseniealst 2... dv. 2c eee A. oe 63 
Notes on the cucumber beetles. ......... Rasa A) eee F.. H. Chittenden. . 67 
Tntroduc tory 1-22. 26045. 22 hugds. + Ber pin th imeticn Meee cle eel eee 67 
The saddled cucumber beetle (Diabrotica connexa Lec.)..--.-------.-.---- 68 
The painted cucumber beetle (Diabrotica picticornis Horn)...........---- 68 
The belted cucumber beetle (Diabrotica balteata Lec.).-.-.-.....--.-.---- 69 
The western twelve-spotted cucumber beetle (Diabrotica soror Lec.).....-. 71 
The western striped cucumber beetle (Diabrotica trivittata Mann.)........-- 75 
Biologic notes on species of Diabrotica in southern Texas........H.O. Marsh. . 76 
ImitroduCchiON: ¢ = 22. 28 sc ects os SMe Re ciet e  e 76 
Observations on Diabrotica picticornis Horn............-.-.+---------+---- 76 
Observations on Diabrotica balteata Lec............-.------ oe 76 
Observations on Diabrotica wytiatd Palo e.05. 2. S2 OR eee ee eee eee 82 
Observations on Diabrotica duodecimpunctata Oliv.....-....-----+-+------ 84° 
Notes on warious' truck-crop, insects. : : 424...) ekedeecs F. H. Chittenden. . 85 
On the natural enemies of the Colorado potato beetle................-.--- 85 
Some insect enemies of the potato beetle.............. ......:...---- 85 
Some wild bird enemies of the potato beetle....................---.-. 87 
Guinea fowls as destroyers of the potato beetle..................-..--- 88 
Notes on the potato atalk weevdl:: 22226. ¢ 52206 455-22 cers a ee 88 
Mageots affecting yams.in the South s......4:-..cso, 4. Gee ae eee 90 
Notes on the feeding habits of blister beetles...............--.--+:--.---- 91 
Notesmen bean and ‘pea weevils). .acts Sec Sr ee ie oe 92 
