46 



MISC. PUBLICATION 318, U. S. 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 







46 





Outline work. Study bulletins. Make collection boxes 



46 



Third, April- 



46 



Fourth, May . 





47 







47 







48 







48 



Eighth, September- 





49 



Ninth, October - 



Exhibit insects. Stunts and plays about insects. "Wienie" roast 



49 





49 



Eleventh, December 





50 







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. 



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. 



£_> 



Figure 114. — Vial 

 for preserving 

 immature in- 

 sects. 



SPRING SURVEY. MAKE 1 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. 



3. Field trip. Make survey of abun- 



dance of important insect pests in 

 hibernation or on crops. 



Figure 115. — In- 

 sect, preserved 

 in vial. 



