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 
Wirst,heprianya soe Organization. Repair collecting equipment_-________--_----_--___--__- 46 
Second.-March=—— = Outline work. Study bulletins. Makecollection boxes______________- 46 
AM aie HU Nj oye Spring survey. Make preservatives for immature insects_-___________- 46 
Hourthy Mayes Select insects to be reared. Make rearing cages_-________-_---_____---_- 47 
IDR a, dpb ea = oe Select control project. Mix and apply insecticides____________________ 47 
Sixt hay il yer eee Visit control projects. Make mounts of insects and plants_______-___- 48 
Seventh, August__________ Check results of control. Exhibit control materia\___________________- 48 
Eighth, September_____-_-_- Make hibernation cages. Collect and placeinsects in cages___-____-__-- 49 
iINinth>.O ctobers =.= Exhibitinsects. Stuntsand playsaboutinsects. ‘‘Wienie’’ roast___-_- 49 
Tenth, November-_-_-_--_- Complete record books. Spade garden or follow plow_-__-_--- nee eS 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 ] 
Equipment : 
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. 
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: 
1. Dilute formaldehyde to 5-percent 
solution. 
2. Distribute solution in vials, to 
members. 5 
HIGURE 114.—Vial 3. Field trip. Make survey of abun- FIGURE Toe 
Re PCE ane dance of important insect pests in $9444, P™*Y® 
sects. hibernation or on crops. 
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