196 THE ENTOMOLOGIST. 
Chrysomela exclamationis, Fabr. 
This is extremely abundant in all stages on the red sunflowers 
at Boulder, and is a great pest. The larve void their excrement 
when touched, and are probably avoided by birds. The beetles 
are, however, attacked by the Hemipteron Perilloides claudus, 
Say, which resembles them to a certain extent in its colour- 
scheme. Fabricius published C. exclamationis in 1801, stating 
that it was obtained by D. Smith Barton in North America. 
This was evidently Benjamin Smith Barton of Philadelphia ; 
how he obtained this western insect in 1801 I do not know, but 
the description of Fabricius seems clearly applicable. Mr. F. 
Knab has very kindly copied out for me all the localities for 
C. exclamationis in the U.S. National Museum, the Hubbard and 
Schwarz collection, and the Knab collection. The most eastern 
localities are in South Dakota (Aberdeen, R. A. Vickery; Volga, 
Truman); Kansas (Riley Co., Popenoe; Topeka, Hubbard and 
Schwarz; Onaga, F. F. Crevecceur); Nebraska (Lincoln, H. 
Soltau; West Point) ; and Texas (Dallas, Boll). One specimen 
is labelled ‘‘ Pennsylvania,” from the collection of C. V. Riley, 
but, as Mr. Knab says, this is surely a mistake. 
One specimen is said to come from Arizona (from collection 
of J. B. Smith), but there are none from the Pacific coast region, 
where I incline to believe that Helianthus lenticularis is not truly 
indigenous. 
There are in addition some very characteristic sunflower 
weevils (especially Desmoris constrictus, Say, and D. fulvus, 
Lec.), but my materials have not yet been fully examined. 
HEMIPTERA. 
Aphis helianthi, Monell, occurred in quantity on leaves of the 
red sunflower in my garden at Boulder; but I also obtained a 
species of Macrosiphum, a new genus for Helianthus. Specimens 
of this were kindly examined by Professor C. P. Gillette, who 
reported that he could not distinguish them from M. ambrosie, 
Thomas. 
The predatory bug Phymata fasciata, Gray, was found at 
Boulder on the red sunflower, preying on the honey bee, Apis 
mellifera ligustica, Spin. 
‘THYSANOPTERA. 
A thrips abundant on heads of the red sunflower at Boulder 
was carefully examined by Miss Elizabeth Robinson and the 
writer. We could not distinguish it in any way from the 
common Frankliniella tritici, Fitch. ; 
