-335- 
in the Ya^im Valley, a full-grov/H v/orra, -aas found on A-ugust 2. 
Since then to date, gradually increasing nurnters, but only a fe-,7 
acres out of a total of 3,000 have shov/n noticeable leaf injury. 
Crop injury held to-' afi inappreciable amount by use of calcium 
arsenate and v.lth aid of an undetermined hymenopterous parasite. 
• BOLL ■TCSH'" ( Heliothis obsoleta Fab. ) 
A. iT. Caudell' (September 20);^ In Payne County, near the village 
of Coyle, I sa-j a field of ' cotton in v/hich almost every boll v/as 
eaten by the cotton -rorn>j then.-most all emerged, and scarcely a 
s'-iuare could be fo-jmd 'Tithout either a larva or q. pupa of the 
boll '-/eevil in- it-;^^''''isualiy. a larva. So complete v;as this infes- 
tation that it '.7as predicted that the cotton v/ould not be v/orth 
picking. ■ ^ - 
A. • W. K-orrill- ( September • 19) : Soil .--orm damage to cotton in the 
Ya^iii- T^Hey covered a period of about four v/eeks beginning the 
middle ■■of 'Jtily.' ' 3ama.::e -ranged, from S to 20 per cent of bolls 
destroyed by •.7orms as shorn by ejcamination of 200 boD.ls each in 
■.e$g!ii ^l-6:fifi[ii ti es <• Boli; -vorm '^dam.age v;as negligible by September 
1. Increase to 3 or .P<^-r cent in one 200-acre field examined 
September- '-Sggs-' - 'er.e niime^ous on silk of corn trap plants, 
5-10 per ■ ea^-." i 
S.iI?-:-:ii?-SH C.-:"r21?ILLiiB': \ Ssti.^rr>ene acraea Drury) 
A. '7,' Llorrlli -•(Se'pt ember 1 :)': The salt-marsh caterpillar -Tas 
present in the--. Ya^.i Vallejr practically from the beginning of the 
season, o B;/ -^. he- first cf September an average of one fv.ll -gr 0"/n 
■"orm per' pl^/iit observed in limited areas, J.-'.t fortunately/ oiTing 
to rank' gTO^tth of plants in those areas no appreciable damage --'as 
done. In oie field of IQC acres infestation is believed to have 
been beneficial. 
COITOIT SQUARE DAU33R ( lyg-gs elisus Van D. ) 
A. T, Horrill (September lo): This mirid bug first observed dam- 
aging cotton in the YaQ-ui Valley in 1S25 proved very destructive 
in -one field of UOO acres in I327. -This field is pc-od-.icing ap- 
proiiimateljr one br.le per aero, "out damage to 70"-ng bolls estimated 
to be Us psr cent in late July and . august pre-.-ented a yield of 
at least one and one-h^li bales- per acre. In other fields in 
the Yavo.i "alley the damage a-'^er^ged. 5 P®- cent of the bolls 
destroyed. 3y September I3 the insect h^.d practically disap- 
peared. 
A TIUC-IDID ■ ( jar ,7a Phi a iridescens Champ. ) 
■( Seot ember' 20) i '■■■■T>Jls insect heavily infested and 
c-th'-of cotton, ia^ ' some fields m the Ya-lvi Valley 
A. 'j, Tlorrill 
checked the 
