222 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 



433. Agrilus bilineatus Say. At Provideuce, May 30, I found the pupaa 



under the bark of au oak trunk ; the beetles were common on 

 the leav^es. Professor Riley found three pupae in the bark of an 

 oak stump. One of them transformed to the beetle May 18, and 

 the second one May 31. 



434. Oncideres cingulatus Say. Bores in the oak. (Hubbard.) See 



hickory insects. 



435. Neoptochus adspersus Boh. This weevil feeds on oak. (Riley, 



Amer. Nat., November, 1882, 916.) 



436. Pachnwus distans Horn. Feeds on oak and pine. (Riley, Amer.. 



Nat., November, 1882, 916.) 



437. Systena blanda Melsh. Liutner's Fourth Eeport, 155. 



ORTHOPTERA. 



438. Phaneroptera curvicauda. Very common on the oak. (Riley's un- 



published notes.) 



439. Diapheromera femorata Say. See hickory insects. (Riley, Ann. 



Kept. Entom. Dept. Agric, 1879, pp. 241-245.) 



440. (Ecanthus sp. Larva on oak at St. Louis, July 1 ; pupated July 



29. (Riley's unpublished notes.) 



HEMIPTERA. 



441. Lachmis quercifolim Fitch. 



442. Callipterus hyalinus Monell. On Qiiercus imbricaria. 



Note. — Of undetermined species of insects living at the expense of 

 the oaks, I have notes on 40 species of lepidopterous larvfe, 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 Bombycidae, 10 of Noctuidie, 6 of Geometridae, 2 Pyralidae, 1 

 Tortricidae, 7 Tineidae, and 4 species of undetermined families ; also 4 

 species of saw-fly larviie, 10 species of Hemiptera, with notes of 140 

 undetermined species of Cynipidae (some of which may already have 

 been enumerated), carrying 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. 



Synvhroa 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 confluent, length, .5 inch ; breadth, 

 .1 inch. (Newman.) 



Ozognathiis cornutus Lee. Lives in oak galls. (Riley, notes.) 



