22 



ENTOMOLOGICAL NEWS. 



[Jan., 'i6 



A Suction-Pump Collector. 



By Frank J. Psota, Chicago, Illinois. 

 Up to the present time I have not been able to find any 

 convenient apparatus for collecting small specimens of Cole- 

 optera without harming them. It is true there are many 

 devices for this purpose, but these are complicated and clumsy 

 in design. I hope that the introduction of the simple contri- 



Q 



e-.B 



Two longitudinal sections through suction-pump collector and (to the right, above) a 

 cross-section through the same above the middle, looking upward. 



