\ 



A 

 '■V 

 \ 



\. 



Hjjlory of Tifiila Tritici, III 



EXPLANATION of TAB. IV. 



Fig, I. tipula Trltici magnified, with its Fagitia and Acukuu 



Z. (a) The Fagina. (b) The Jcuktis. (c) The Eggt pafling 

 through the Fi?^/«^. (d) A patch of E^^j. (^e) A Larva 

 newly hatched, and adhering to the lower end of one 

 of the Anthers. 



3. A portion of one of the Antennce greatly magnified to fhew 



the form of its joints. 



4. Ichneumon inferens magnified. 



5. Abdomen of ditto, (a) Acukus exerted, long and flexile. 



6. The Antenna of ditto. 



7. A different view of the Antenna. 



(a) The 'Jirji joints long, rigid and clavate, obcordatO' 

 bifid at the apex. 



(b) The membrane that conne6lsthe fecond joint withit, 



(c) Th^fecondjoint^ which a£ls the part of a ball or pivot. 



(d) The four following joints, globular and extremely 

 minute. 



(e) The Clava of four joints fet clofely together. 



8. Ichneumon Tipula magnified. 



9. The Antenna of ditto. 



(a) The firft joint, very long. 



(b) The fpace from the firft to the four laft joints, not 

 vifibly articulate, but I fufpeft it to be fo. 



(c) The four laft joints, black, and larger than the reft. 



10. Ichneumon penetrans magnified. 



11. The Antenna of ditto. 



(a) The Clava of four joints fet clofe together, the laft 

 the largeft and acute. 



