49 
THE STRAWBERRY CROWN-BORER. 
(Tyloderma fragarie.) 
This insect has done slight damage to one old bed. I have not in a 
single instance observed them in young beds. 
THE PLANTAIN CURCULIO. 
(.acrops sp.) 
This insect was received from Medina County, the first specimens ar- 
riving July 21. With them came several specimens of plantain which 
were so thoroughly tunneled by the little grub that they had died. 
There were from two to six grubs in a single plant, and they completely 
exhausted the fleshy portion of the root. From this lot, received July 
21, several adult beetles issued August 7. These were left in the cage 
several days, and I think must have deposited eggs on fresh plantain 
growing in the cage, as several days later, when examining this cage 
preparatory to cleaning it up, [ found several young larve in the fresh 
plantain I had put in the cage on receiving first supply. These were 
observed closely. They pupated August 25 and issued September 3 to 
4. Another lot of specimens was received August 6, placed in a differ- 
ent cage, began pupating 16th and issued 25th to 29th of August. From 
the account of the gentleman sending them they were quite destructive 
over a limited area. 
A NEW OAT FLY. 
(Oscinis ? sp.) 
This insect was discovered while visiting the northern part of Union 
County, some 50 miles from Columbus, to investigate another insect 
which had appeared in the wheat. (This insect proved to.be Meromyza 
americana, and was confined to a very limited area, though it took 
the plants clean so far as it went.) The date of this visit was June 
15, and the farmers had first noticed the attack upon the oats about 
June 9. The oat plants were 6 to 8 inches high and where attacked 
appeared as though a fire had swept over them just low enough to scorch 
the upper blades. Eggs and larvie were both present at this time as 
described in my letters. The injury was confined to spots of several 
rods in dimension, but several fields in the neighborhood were affected. 
At my last visit, June 25, I estimated the damage to be about 40 per 
cent. in spots affected. A quantity of the plants were brought home 
and placed in breeding cage. On June 20 the first imagos, two in 
number, issued. From this cage they issued afterwards almost daily 
until July 7. 
On my second visit I also brought home material in which larve and 
pup were quite abundant, but found no eggs. Flies issued from this 
batch in great numbers up to July 12. 
17528—No, 13——4 
