PLATE XVII. 

 LiBURNiA MESOMELA. (Page 58.) 



Fig. 1. — BrachelytroiTS male. The large and squarish 

 pygofer of this species may be compared with that of 

 L. discolor, L. cxigua, and L. pellucida. 



Fig. la. — Brachelytroiis female. Vide Plate XVIII., 

 fig. 3, for frons and rostrmn. 



LiBURNiA AuBEi. (Page 59.) 



Fig. 2. — Brachelytrous male, with deep notched 

 pygofer. 



Fig. 2a. — Isolated male styles of the same. 



LiBURNiA LiMBATA. (Page 60.) 



Fig. 3. — Brachelytrous female. Two scarlet-coloured 

 Acari are attached to the hind tibiae. Some notice of 

 these Trombidia will be added to other observations on 

 some parasites infesting British Tettigidte. 



Fig. Sa. — Macropterous male. 



Fig. Sh. — Brachelytrous male. Abdomen bordered 

 with orange. 



Fig. 36'. — Antenna of the male, much magnified. 



Fig. Sd. — Elytron and wing of the male. The 

 simple character of the neuration may be noted. 



LiBURNiA LiNEATA. (Page 62.) 



Fig. 4. — Brachelytrous female. 

 Fig. 4rt. — Brachelytrous male. The brown longi- 

 tudinal markings are distinctive. 



