40 



countries, the necessity of attending to minute 

 species of insects. 



The insects of this order are extremely nu- 

 merous, and the economy of the respective fami- 

 lies peculiar ; we have, therefore, to observe, tliat 3 

 for the most part, they are to be taken only 

 during the day, and when the sun is powerful ; 

 and from our own practical knowledge we should 

 recommend the beating of the trees early in the 

 morning, and searching diligently in the places 

 we have mentioned. 



Hymenopterous insects may very frequent- 

 ly be taken by the forceps, and a slight pinch 

 will so far cripple them as to enable the Col- 

 lector to secure them. They maybe put into se- 

 parate pill boxes, or pierced with a pin when 

 taken ; there are but few that require any fur- 

 ther preparation. 



Order 10. STREPSIPTERA. Wings two, lon- 

 gitudinally folded; mouth with mandibles. 

 [PI. Ill, fig. 2.] 



The singular insects which form this order 

 are very minute, but extremely interesting ; the 

 few species yet discovered are parasitic, and in 

 the larva and perfect state inhabit the bodies of 

 bees and wasps. As a further illustration of 

 the economy of these insects, we cannot do 



