THE CANADIAN ENTOMOLOGIST, 19 



segments white. Antennre dull reddish, lighter at the joints. Legs dull 

 reddish, dusky distally. Beak dusky. 



Sfage IV. — Length, 2.5 mm. Head and thorax as in preceding 

 stage, except the red is darker and the median line is whitish. Narrow 

 posterior margin of prothorax bright red. The wing-pads extend to the 

 third segment. Abdominal marking as in preceding stage, except that 

 the median reddish-brown areas are larger, and all but the anterior margin 

 of the ninth segment is of this colour. Legs, antennae and beak darker 

 than in the last stage. 



Stage V. — Length, 4.3 mm. Head and thorax dull black over a red 

 ground colour. Median line of thorax whitish. First and second 

 abdominal segments nearly black over reddish, posterior margin of each 

 white; third to eighth segments light red, variegated with lighter markings, 

 and there is a median longitudinal row of large transverse reddish black 

 spots. Ninth and tenth segments reddish-black except the red anterior 

 margin. Legs and antennae nearly black, with a reddish ground colour. 

 Abdomen beneath lighter red, with a submarginal row of small black 

 spots ; ninth ventral segment nearly covered by a large black spot ; a 

 smaller one on the eighth. 



L. mefidax. 

 Stage I. — Length, 1.5 mm. General colour tomato-red. A distinct 

 whitish ring around eye. Thorax slightly dusky over a red ground colour, 

 l^egs dusky, antennae brownish, beak colourles'?, with the tip black. Whole 

 dorsal surface clothed with short stiff black hairs. 



Stage II. — Length, 2.5 mm. Very similar to last stage. Antennae 

 dusky brown, last segment lighter except at base. Tylus dark. 



Stage III — Length, 2.5 mm. The wing-pads just begin to show on 

 the mesolhorax. Coxae tomato-red, rest of legs and beak translucent, 

 slightly dusky ; posterior tibiae brownish. Tylus dark brown. Legs 

 clothed with stiff black hairs. 



Stage IV. — Length, 3.25 mm. Very similar to last stage in colour. 

 The wing-pads extend nearly to the posterior margin of the second 

 abdominal segment. 



Stage V. — Length, 4 mm. Wing-pads extend to fifth abdominal 

 segment. General colour bright tomato-red, tip of wing-pads and line 

 along scutellum dusky. Legs dusky, darker towards the tip. Antennae 

 dusky, neatly black; last segiuent brownish at base. Tylus jet black. 



