174 THE ENTOMOLOGIST. 



II. Elytra more than half as long, but not longer than abdomen. 



1. Antennae about twice as long as rest of msect Xiphidium (part). 



2. Antennae not much longer than rest of insect Decticus (part). 

 III. Elytra longer than abdomen. 



1. Species smaller. 



A. Elytra brownish Xiphidium (part). 



B. Elytra green Meconema. 



2. Species larger. 



A. Front of head (seen from above) rounded. 



Eyes not prominent . - . . Decticus (part). 



B. Front of head (seen from above) produced 



into a blunt point. Eyes prominent - Phasgonura. 



1. Odontuea, Eamb., 1838. 



= Barbitistes, Charp. ; Ephippiger, Latr. ; Leptophyes, Fieb. 



Differs from all the other GryllidsG except Thamnotrizori by 

 its short elytra. 



I. Elytra brown standishii. 



II. Elytra partly green - - - - pionctatissima, 



1. 0. punctatissima, Bosc, 1792. = aiiUimnalis , Hag. ; vire- 

 scens, Staph. — This insect is green when living, but soon fades 

 to brown after death. Not uncommon ; usually found upon the 

 foliage of bushes and trees during August and September. Fig. 1. 



2. 0. standishii. — I am unable to obtain any information of 

 this species, which differs from 0. pwictatissima in the colour 

 of the elytra. 



2. Meoonema, Serv., 1831. 



1. M. varia, Fab., 1793. = thalassima, DeGeer ; nana, 

 Stoll.; viridissimus minor, St. ; arboreus, Fuessly. — This beautiful 

 insect is figured in Donovan's ' British Insects,' iii. pi. 79, fig. 1. 

 Very common on the foliage of lime and oak trees, feeding upon 

 the leaves ; it occurs during August and September, and may be 

 caught by beating the branches. This species does not stridu- 

 late. Figs. 2 and 3. 



3. Xiphidium, Serv., 1831. 



= Locusta, Fab. 



I. Elytra longer than the abdomen - - - fiiscum. 



II. Elytra shorter than the abdomen - - - dorsale. 



1. X. fusciun, Fab., 1793. — Figured by Panzer, 33, fig. 2. 

 This species may be looked for upon herbage and the leaves of 

 trees in damp places ; ? indigenous. 



2. X. dorsale, Latr., 1804. = dorsalum, H.-Sclipeff. ; fasca, 

 Zett. — Not uncommon in some localities, occurring in damp 

 places during July and August. Fig. 4. 



4, Phasgonura, Westw. I 



= Locusta, DeGeer, Wat. ! 



1. P. viridissima, L., 1758. — This species is figured in Cuvier's 

 * Regne Animal,' pi. 82, fig. 3 ; and Donovan figures the larva 



