GLYPHINA BETUL^. 17 



straight, and leaves the stigma at about an angle of 

 45°. Stigma long and pointed. 



Koch has described an insect under a new genus, 

 Mindaurus or Mindarus, which has some characters in 

 common with Glypliina pilosa, but this last Aphis, 

 nevertheless, does not agree with his Mindarus 

 abietinus, notwithstanding their similar habitats. 



Glyphina betul-s:, Heyd. Plate CXVII, figs. 1 — 5. 



Vacuna betulce Heyd., Kalt., Ratz. 



,, alni, Pass. (?) 

 Tlielaoces betulce, Walk. 

 Glypliina betulce, Koch. 

 Tremulinax, Amyot. 



Apterous viviparous female. 



Inch. Millimetres. 



Size of body 0*090 X 0*040 2*28 X 1*01 



Length of antennae 0*015 0*38 



Oval, flat, dark green, with a pale dorsal streak, and 

 a row of disjointed white spots down the sides. 

 Antennae very short and partially developed. Rostrum 

 and legs short. 



Pupa smaller than larva, with rounded head, large 

 eyes, and longer legs. 



Winged viviparous female. 



Inch. Millimetres. 



Expanse of wings 0*240 6-09 



Size of body 0*090 X 0*030 2*28 X 0*76 



Length of antennas 0030 0*76 



Body long-oval ; head round ; antennae short, third 

 joint the longest. The fourth, fifth, and sixth joints 

 about equal. All joints are deeply ringed. Thorax 

 brownish. Abdomen olive-green. Legs moderately 



vol. iv. 2 



