84 ARKIV FÖR ZOOLOGI. BAND 12. N:0 15. 



the right with two large apical teeth, a third smaller 

 one immediately below, basal portion forming a rounded 

 tooth at the tip below the 3rd tooth; antennae 15-jointed, 

 basal joint more than twice as long as the 2nd and much 

 broader, 3rd shorter than 2nd and 4th and not quite 

 so broad, 5th shorter than 4th, 6th and following longer 

 than broad, thickly hairy, 14th not twice as long as broad, 

 apical joint longest, more than twice as long as broad, 

 sharply pointed; protborax slightly excised in the middle of 

 the front margin, rounded at the anterior angles and tapering 

 sharply to the rounded bind angles, fairly deeply excised 

 in the middle of the bind margin, thickly hairy and with 

 numerous small rounded yellow spöt on the upper surface, 

 the ordinary yellow marking behind the front margin is 

 present with the median whitish line reaching backwards 

 to the middle of its length; meso- and metathorax broader, 

 dark fuscous in the centre; wings (Fig. 40 b) light ferrugineous- 

 greyish, comparatively short, the two anterior nervures strong, 

 running parallel out to the beginning of the rounded tip, 

 where both join; just before terminating there is usually a 

 curved nervure running straight out into the membrane, 

 then making a sharp turn and going out to the tip, thus 

 enclosing an elongate, more or less oval, area at the tip of 

 the wing, mediana running through the upper part of the 

 wing, branching already near the middle of its length, with 

 two more branches further out, which are usually forked 

 and end at the tip, cubitus mostly with 8—9 oblique un- 

 forked nervures; in the hindwings the above described small 

 area at the tip is generally also present, mediana divides 

 itself in the middle of the wing into two long branches, the 

 upper one of which mostly is forked at tip, cubitus sends 

 out the same number of oblique nervures as in the forewing, 

 but some of them are forked; legs of normal size; abdomen 

 elongate with parallel sides, the chitinous plates of the 

 ventral segments lighter coloured. 



Measurements: Length of body with wings 13 mm, 

 length of body without wings 7 mm, length of head 1,4 mm, 

 breadth of head l,i2 mm, length of protborax 0,ö3 mm, 

 breadth of protborax 0,93 mm, length of forewing 10,2 mm 

 breadth of forewing 2,6 mm, length of hindwing 9,9 mm, 

 breadth of hindwing 2,8 mm, breadth of abdomen 2 mm. 



