46 MISC. PUBLICATION 318, U. 8. DEPT. OF AGRICULTURE 
THYSANURA.—Thysanos (a tassel), oura (tail). Small, 
gray, wingless insects. Long antennae. Mouth parts for 
chewing, and long bristlelike tails. No metamorphosis, that 
is, no changes in form during life cycle. Body somewhat 
carrot Shaped. Found in dark places. Feeds on starchy sub- 
stances such as bookbinding. Silverfish, bristletails, or fish 
moths. 
FiguRE 113.—Sil- 
verfish. : 
CALENDAR OF ACTIVITIES, SECOND YEAR 
Meetings Life studies and control of insects Page 
Hirst, Mebruanyea= 9-- se Organization. Repair collecting equipment_-___-__---_---------------- 46 
Second. March___________- Outlinework. Study bulletins. Makecollection boxes______________- 46 
AN ovb role Nope aoe aes ae Spring survey. Make preservatives for immature insects____________- 46 
Hourth, Miayess= 222 ses ae Select insects to be reared. Make rearing cages-_---_------------------- 47 
Pifth June ese ose Select control project. Mix and apply insecticides______________--___- 47 
Sixth ulye =e Visit control projects. Make mounts of insects and plants____________ 48 
Seventh, August__________ Check results of control. Exhibit control material__..-.._________-__- 48 
Eighth, September_______- Make hibernation cages. Collect and placeinsects in cages__._._____+.-| 49 
Ninth, October____-_____-- Exhibit insects. Stuntsand playsaboutinsects. ‘‘Wienie’’ roast__--_- 49 
Tenth, November____-___-- Complete record books. Spade garden or follow plow-__-_-------------- 49 
Eleventh, December __-__- Identification contests. Judging contests ___..-.-.__--.--------------- 50 
Twelfth, January_-_______- Make permanent exhibit for school or county agent’s office____-------- 52 
ACTIVITIES FOR SECOND YEAR OUTLINED 
ORGANIZATION. REPAIR COLLECTING EQUIPMENT 
[First meeting—February ] 
Hquipment : 
1. Copy of insect manual. 
2. Material to repair old collecting equipment or make new. 
Procedure: 
1. Read and discuss each paragraph of manual separately. 
2. Make net according to instructions on page 7, part I, of this manual. 
or on pages 4 and 5 of Farmers’ Bulletin 1601. 
OUTLINE WORK. STUDY BULLETINS. MAKE COLLECTION BOXES 
[Second meeting—March] 
Equipment : 
Cigar box, corrugated cardboard, manual, bulletins. 
Procedure: 
President of club, club agent, or entomologist outlines work for year; 
reads manual. Before next meeting, each club member should make 
survey of insect pests about his home. 
SPRING SURVEY. MAKE PRESERVATIVES FOR 
IMMATURE INSECTS 
[Third meeting—April] 
Equipment : 
Small vials (size of man’s largest fin- 
ger) with stoppers; 5-percent solu- 
tion of formaldehyde. 
Procedure: Sr 
1. Dilute formaldehyde to 5-percent 
solution. : 
2. Distribute solution in vials, to 
members. 
HigoEe 114.—Vial 3. Field trip. Make survey of abun- FicurE Le 
tna Cee dance of important insect pests in [@°%, Preserve 
sects. hibernation or on crops. 
