222 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 
433. Ayrilus bilintatus Say. At Providence, May 30, I found the pupae 
under the bark of an oak trunk; the beetles were common on 
the leaves. Professor Riley found three pupa: 1 in the bark of an 
oak stump. One of them transformed to the beetle May 18, and 
the second one May "»1. 
434. Onriderm cmguta h u Say. Bores in the oak. (Hubbard.) See 
hickory iusects. 
Xcoptochus adsper.sus Boh. This weevil feeds on oak. (Riley. 
Amer. Nat., November, 1882, 916.) 
43G. Pachmvus distant Horn. Feeds on oak and pine. (Riley, Amer. 
Nat.. November, 188% 910.) 
437. Systena Manila Melsh. Liutuer's Fourth Report, 155. 
ORTHOPTERA. 
438. Phaneroptera curvicauda. Very common on the oak. (Riley's un- 
published notes.) 
439. Diapkeromera femorata Say. See hickory insects. (Riley, Ann. 
Rept. Eutom. Dept. Agric, 1879, pp. 241-245.) 
440. (Ecanth us sp. Larva on oak at St. Louis, July 1; pupated July 
29. (Riley's unpublished notes.) 
HEMIPTERA. 
441. Lachnu.s quercifol'uv Fitch. 
44L\ Callipterus hyalinus Monell. On Quercus imbricaria. 
Note. — Of undetermined species of insects living at the expense of 
the oaks, I have notes on 40 species of lepidopterous larvae, whose trans- 
formations have not yet been worked out, and on 3 species of saw-fly 
larvae, in addition to those mentioned in the previous pages. 
Professor Riley also has reference to or notes on 40 species, viz : 10 
species of Bombycidie, 10 of Noctuidae, 6 of Geoiuetrida. j , 2 Pyralida*. 1 
Tortricidie, 7 Tineidae, aud 4 species of undetermined families; also 4 
species of saw-fly larva?, 10 species of Hemiptera, with notes of 140 
undetermined species of Cynipidae (some of which may already have 
been enumerated), carryiug the number of species of oak insects 
known up to the end of 1889 to between 500 and 600 species. 
BEETLES LIVING IN ROTTEN WOOD, STUMPS, GALLS, ETC., NOT KNOWN 
TO BE INJURIOUS. 
Si/nchroa punctata Newman. "They live in rotten oak stumps, thriv- 
ing best in the white. The pupa requires about one week to 
perfect itself." (Horn.) The beetle is brown, sparsely covered 
with gray hairs; regularly punctured over the body, the punctures 
of medium size, distinct, not coufluent, length, .5 inch ; breadth, 
.1 inch. (Newman.) 
Ozognathus oomuhu Lee Lives in oak galls. (Riley, notes.) 
