Trans. Am. Ent. Soc. Vol. XX. 



PI. II. 



(e 10. 

 LIBELLULA 



5. D, RUBICUNDULA 



6. D. 0BTRU5A 

 antenna occlfiat ocdli vertex from 



IMA&O-CALOPTERYX- NYMPH 8. 

 J 



tendon- access:-.. _ 

 ft ant. depressor 



. ant. ck/imsor 

 humen) suture 

 fiost.cle/ireiSor— 

 its acclss.}^", '" 

 '■1- , '' - 

 to ant. dcJ^resiCir 

 antde/iressor- 

 Rnd /at. mature- - 

 host defiress.- ■ 



■f ^ . w*- 

 (ti accssrs.i„^ 



^ena 

 labmfn 



moRdibk 

 GOMPHUS 



mid- dorsal 

 carina. 



/trlnci/iai 

 'elevator 



<tnt ) access, 

 fiosvelemts. 



...hrincika} 

 e/evatbr 



antyicces. 

 ^ostte/ewthr. 



-auzilia?y 

 iternodorsa}. 



antmhrsm 



jjod w'ini] base- 

 kw.hasz-'- 

 mtejdstmuni 

 I M.sntm 

 mtefiimmn 



h^ab.sep-'" 



ktm-Ytnkat' riida^tmum , 

 metath. carina nutasti^ma-''' 



\Z. AESCHNA 



■ mid-dorsal carina 

 mese/icstermm 



hmeml suture 

 mesostiffma 

 ■■fironotum 



.articulating 

 ficetfork/^ 



'tw/ilearon 



'•1st ma 



3rd coxa \ hi ma Msinfraefiiskmum 

 meiefiimeron 



mit infra ijiistmiani /3. HETAERINA 



