286 



THE MONTHLY BULLETIN. 



1 S on 



vin eyards, gardens and fields and capturing all specimens met with. 

 Such officials should always carry suitable boxes or 

 bottles for the preservation of insects thus acquired. 

 Inspectors can greatly aid in this work. Fruit growers 

 also bring in large numbers of insects for determina- 

 tion, which if kept and carefully mounted, add greatly 

 to any growing collection. A true entomologist never 

 goes anywhere in the open country without bringing 

 back at least a few good specimens. 



Nets. — A good net is indispensable for collecting 

 insects. Most manufactured nets are entirely too frail 

 for ordinary field work. A suitably shaped net is 

 shown in Fig. 286, but the material should be heavy 

 cheesecloth or coarse, loosely woven muslin. Such a net 

 is especially recommended for sweeping or for cap- 

 turing hard-bodied insects, as grasshoppers, crickets, 

 katydids, beetles, bees, wasps, etc. For delicate and 

 swift-flying insects, such as butterflies, moths, dragon- 

 flies, lacewings, etc., a durable netting should be used. 

 An ordinarj^ circular frame will do very well, but a 

 more convenient style is the manufactured steel col- 

 lapsible frame of a dip or landing fish net, which also 

 has a jointed handle, and the whole can be easily 

 carried in a traveling bag. 



Fig. 287. — Pocket 

 cyanide killing bot- 

 tle. (After Riley.) 



)\ 



f'n' 



Fig. 288. — A temporary insect box. 



