the canxvdian entomologist. 343 



Explanation of Figures io and ii. 



Fig. A. — Maxillae and labium seen from behind : C, cardo ; L, lobe of 

 maxilla ; Lp, labial palpi ; M, mentum; Mp, maxillary palpi ; 

 Pf, palpifer; S, stipes; Sm, subnientum ; Sp, spinneret, 

 usually held straight. 



Fig. B. — -Dorsum of larva. 



Fig. C. — Setae of first and second thoracic segments. 



Fig. D. — Setae of sixth abdominal segment. 



Fig. E. — Setae of last two abdominal segments. 



Fig. F. — Venter of pupa. 



Fig. G. — Right mesothoracic leg. 



Fig. H. — Dorsum of pupa. 



Fig. I. — Head of larva from the front: Ant, antenna; CI, clypeus ; 



Epi, epicranium ; F, front ; La, labrum ; Md, mandible ; Oc, 



ocelli. 

 Fig. J. — Ocelli, antennae, etc., of larva : Ant, antennae ; La, labrum ; 



Md, mandible; Mx, maxilla; S, indication of an antennal 



sclerite. 

 Fig. K. — Last abdominal segment of larva seen from behind : A, central 



hooks ; B, anal prolegs ; C, anus ; E, anal plate ; F, movable 



chitinized plates. 

 Fig. L. — Dorsal apodeme. 



Plate io. 

 Fig. M. — Adult in natural position, reduced. 

 Fig. N. — Pupa and last larval skin in burrow. 

 Fig. O. — Larva. 

 Fig. P. — Tunnels in the main stem-mass. 



INTERNATIONAL CONGRESS OF ENTOMOLOGY. 

 The following local committee for the Dominion of Canada has been 

 formed to co-operate with the International Executive Committee in the 

 preliminary work of arranging for the first meeting of the proposed Con- 

 gress of Entomology : 



Prof. C. J. S. Bethune, Editor of "The Canadian Entomologist," 

 Ontario Agricultural College, Guelph, Chairman. 



Tennyson D. Jarvis, President of the Entomological Society of 

 Ontario, Lecturer in Entomology and Zoology, O. A. College, Guelph. 



