METRIOPTERA ALBOPUNCTATA. 159 



pointed, conical, hairy, with a tooth nearer the apex 

 than the middle. Subgenilal lamina emarginate, styles 

 rather long. 



FEMALE IMAGO (PL XIV, fig. 8).- -Elytra and wings 

 fully developed as in the male. Colouring as in the 

 male. Length some 21 mm. Subgenital lamina emar- 

 ginate with rounded lobes. Cerci without a tooth. 

 Ovipositor 9 mm. from base to tip. shining, curved 

 somewhat upwards, pale at the base but very dark for 

 the most part, finely crenulated below towards the apex. 



EGG (fig. 20).- -H. M. Edelsten, when "sugaring' 1 

 at Dartmouth on one occasion, found a female M. 

 albopunctata laying eggs in one of the posts, with its 

 ovipositor thrust deeply into a chink in the wood. He 



FIG. 20. Egg of (1) Leptophyes punctatissima Bosc ( x 6) ; (2) Metrioptera. 



albopunctata G-oeze ( x 6). 



very aptly remarked : " What curious black cigar- 

 shaped things the eggs are ! : They are really a little 

 curved- -sausage-shaped. Those I possess were 

 extracted from females and are practically black in 

 colour (dull yellow when immature), while the surface 

 is finely granulated. The length is 4 mm. and the 

 breadth about 0*8 mm. 



NYMPH.- -Brunner describes the nymph (evidently 

 when approaching maturity) as greenish, pronotum 

 crimson (purpureuw) , lateral flaps green, elytra with 

 two large black spots, posterior femora and ventral 

 surface of abdomen bright green. After the final 

 ecdysis the green colour on the sides is evident for two 



or three davs. 



tj 



VARIATION. Bracken took a pale example on the 



