THE LEGUME POD MOTH. 103 
TABLE IV.— Mean percentage of damage done by the legume pod moth to all plats in full 
bloom on a given date in the season of 1911. 






| Mean Be : | Mean per 
= cent o Number > eent of | Number 
Full bloom. seed of plats. | Full bloom. seed of plats. 
damaged. damaged. 
mie Werei sae 82 ed ota - 0.0 OC el fee eee aa ae oe 1.7 19 
BAKE TN 0 Rie ee aa ae a -0 UM PUYR Sean tones pon ee ees oo oe 6 3 
Uli he eee eee ee 0 aM MUL y RO sea a Rees A Sster. cree 1.5 2 
UME eS So ae ee ene 5 LOM oy, leteen eee cane tee ES 1 
Wualiyedhssn 2. Be Sn ae Mea UHR DEY sitoe ate ones ts eek ee sali 1.8 6 
LTR) Sey SE eS ee eS ere ay iS) | ge oye Ne ele Ae ee ee ee Sage 1.9 15 
“PLS ) ee gee Se eee See 1.9 Si||) Welly eee ee ae Dey 1 


vf 

Fig. 40.—Diagram showing mean percentage of damage done by the legume pod moth to varieties of peas 
in full bloom on a given date in 1911. (Original.) 
ARTIFICIAL DISSEMINATION. 
On examining sacks of seed peas, September 14, 1911, a larva was 
found enclosed in a very tough silken cocoon. On October 24 
another larva was found in a second sack. Mr. Evans also found a 
hibernating larva in a seed sack and kept it alive on his desk during 
the greater part of the winter. It seems as if this insect could very 
easily be introduced into regions where it does not at present occur, 
by being shipped with the seed field peas. 
