A JOURNAL OF ENTOMOLOGY 
Established in 1874 
VOL. XXXVII JUNE, 1930 No. 2 
TABLE OF CONTENTS 
Ant-tree Notes from Rio Frio, Colombia. W. M , Wheeler and 
P. J. Darlington , Jr 107 
Descriptions Plus Types vs. Descriptions Alone. Clarence E. 
Michel 118 
New Species of the Genus Xysticus (Arachnida). Elizabeth B. 
Bryant 132 
Australian Bees in the Museum of Comparative Zoology. 
T. D. A. Cockerell 141 
A Note on the Parasitic Beetle, Uornia minutipennis Riley. 
Phil Ban 155 
The Arrangement of the Major Orders of Insects. C. W. 
Woodworth 157 
JEnictomyia, a New Myrmecophilous Phorid from the Philip- 
pines. C. T. Brues 163 
The Dolichopod Genus Nematoproctus Loew in North America. 
M. C. Van Duzee 167 
The Nesting Habits of the Twig-dwelling Bee, Prosopsis modestus 
Say. Phil Ban 173 
Muscid Larvae Taken in “Sciara Army Worm.” J. B. Stear 175 
Fossil Beetle Elytra. T. D. A. Cockerell 176 
Paratenetus crinitus Fall. C. A. Frost 176 
Note on the Distribution of Two Species of Coleoptera. Eliza - y 
beth W. Kingsbury 177 
Some Notes and Descriptions of Cerioidine Wasp-waisted Flies 
(Syrphidae, Diptera). F. M. Hull 178 
Notes on the Prey of Wasps. Bichard Dow 181 
Some New Neotropical Neuropteroid Insects. Nathan Banks . . 183 
Proceedings of the Cambridge Entomological Club 192 
