ENTOMOLOGICAL CABINET, 



BISTON PRODROMAR1A. (?) Leach. Samou. 



Geometra Prodromaria. Haworth. 



Oak-beauty Moth. 



Head white or ash-coloured : antennae strongly 

 pectinated in the males, in the females simple, black 

 with white rings : thorax covered with coarse scales 

 of ash colour with blackish brown dots : body speck- 

 led with black and white irregular minute dots : 

 wings ash coloured, delicately sprinkled with black- 

 ish brown ; two transverse flexuous, light brown 

 bands edged with black, one near the base, the other 

 near the hinder margin of the wing, the margin with 

 dark triangular spots : lower wings pale at the base 

 with a light undulating fascia in the middle ; below 

 this, darker with more or less of small black spots : 

 legs black, annulated with white. 



Expansion of the wings in the ( $) If inches, (?) 

 2£ inches. 



Inhabits the trunks of oak trees in the early part 

 of the month of March. 



This insect may be considered a scarce species, as 

 it is only to be met with early in the spring, we have 

 generally met with it about the 6th of March, and 

 after two o'clock in the afternoon, against the trunks 

 of oaks in Richmond Park ; it is also occasionally 

 taken in the lane leading from the Robin Hood to 

 Coomb Wood : it may also be obtained in the pupa 

 10-6 



