Pex CHk 
A JOURNAL OF ENTOMOLOGY 
ESTABLISHED IN 1874 
VOLE] XVI AUGUST, 1909 NUMBER 4 
CONTENTS 
On certain Pieris Caterpillars — Wm. T. M. Forbes ‘ ; : : . 69 
The Chalcidoid Parasites of the Coecid Hulecanium nigrofasciatum (Pergande), 
with descriptions of three new North American species of the subfamilies 
Eneyrtinae and Aphelininae from Illinois — A. A. Girault 1 
Some new Chrysidid Wasps from western United States — S. A. Rohwer Sod 
The Environment of Callicista ines, Edwards (Dyar), in southern California — 
Fordyce Grinnell, Jr. ‘ ‘ : : ‘ : : : : - 92 
The Decticinean Genus Rehnia Caud. (Orthoptera) — A. N. Caudell : . 94 
Spiders in Winter Floods — J. H. Emerton. 3 ; : : : 5 
A new Variety of the Geometrid Moth Therina Fiscellaria Gn.— L. W. Swett . 96 
PUBLISHED BI-MONTHLY BY THE 
CAMBRIDGE ENTOMOLOGICAL CLUB 
ADDRESS: CARE BOSTON SOCIETY OF NATURAL HISTORY 
BOSTON, MASS., U. S. A. 
EuRoPEAN AGENTS: R. FRIEDLANDER & SOHN, BERLIN 
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