1916] Dow — Plaster Casting bisect Burroics 69 



part of the wing. The arista of the antenna is more slender and 

 sharper at the tip. The thoracic dorsum is dull and pollinose in 

 the new species and shining in abdominalis. 



Explanation of Plates 



Plate VII. 

 Fig. 1. Xicocles loma' sp.nov. 



a. Antenna, greatly enlarged. 

 Fig. 2. Lestomyia redkoidce sp. nov. 



a. Antenna, greatly enlarged. 



Plate VIII. 

 Fig. 3. Lasiopogo7idrabicolum sp. nov. 

 a. Antenna, greatly enlarged. 

 Fig. 4. Cophura highlandica sp. nov. 



Plate IX. 

 Fig. 5. Metapogon pictum sp. nov. 



a. Head from side. 



b. Outline of head from front. 

 Fig. 6. Lestomyia montis sp. nov. 



a. Antenna, greatly enlarged. 



PLASTER-CASTING INSECT BURROWS. 



By R. P. Dow, 

 New York City. 



During my visits to J. Turner Brakeley, the hermit naturalist 

 of Lahaway, N. J., we devoted much time to making plaster casts 

 of burrows in the soil. Occasionally we tried the hole made by a 

 snake, rat or even chipmunk, but for the most part our efforts 

 were entomological. Great bare patches of sandy ground were,, 

 par excellence, insect homes. One hillside patch was the favorite 

 haunt of Myrmeleon larvte, their traps pitting every square foot 

 of surface. The larvte of Cicindela avoided such places, perhaps 

 lest overpopulation should spell starvation. They had haunts of 

 their own, some species, notably C. lepida, preferring absolutely 



