CONTEXTS 



Page. 



The Mexican conchuela (Pentatoma ligata Say) in western Texas in 1905, 



A. W. Morrill.. 1 



An associated species 2 



General agricultural conditions at Barstow, Tex 2 



Damage to crops previous to 1905 2 



Crops damaged in 3905 3 



Other food plants 8 



Seasonal history 8 



Natural enemies 9 



Methods of control 11 



Notes on the economic importance of sowbuga W. D wight Pierce. . 15 



Armadillidium vulgare Latr 15 



Porcellio Isevis Latr 21 



Metoponorthus pruinosus Brandt 22 



Conclusions 22 



Notes on "Punkies" (Ceratopogon epp.) F. C. Pratt. . 23 



Ceralopogon guttipennis 23 



Other species of Ceratopogon 26 



Other blood-sucking Chironomida? 28 



An injurious North American species of Apion. with notes on related forms, 



F. TL Chittenden.. 29 



Apion griseum Sm 29 



Apion colon Sharp 30 



Notes Oil related forms 31 



Insects injurious to the loco woods F. IF. Chittenden . . 33 



The false-indigo gall-moth ( Walshia amorphella Clem.) 34 



The loco root-maggot (Pegomya lupina Coq.) 35 



The fickle midge (Sciara inconstans Fitch) 36 



The four-lined loco weevil (Cleonus quadrilineatus Chevr.) 37 



The yellow looo fly ( Tritoxa incurva Loew.) 3S 



The spotted root fly (Euxesta notata Wied .) 38 



The bur-clover aphis (Aphis medicaginis Koch) 40 



The meal snout-moth (Pyralis farinalis L.) 40 



Plant-bugs, leafhoppers, etc 41 



Miscellaneous insects 41 



a The ten papers constituting this bulletin were issued in separate term on April L\ 

 1907 (Pts. I to III), January 11 and May 29, 1908 (Pts. IV and V), August 4 and 5. 

 1909 (Pts. VI and VII), and May 7, October 17, and November 12. 1910 (Pta, VIII 

 toX). 



VII 



