160 FIRST ANNUAL REPORT OF THE STATE ENTOMOLOGIST. 



of all the tarsi slightly dusky. The yellow baud on the abdomeu and the anten- 

 nae less briglit than the rest. Ocelli, brown. 



Female. — Length, 1.6mm.; expanse, 3.8 mm. Differs from male in having 

 only a mesosculal yellow sjiot, a narrow yellow line around inside of eyes and the 

 legs yellow, except hind coxae, femora above, and tips of tarsi. The antennae are 

 more hirsute, slightly shorter and yellowish-brown, with scape black. The tho- 

 rax has a distinct bluish hue. 



Described from one male and one female received from the late B. D. Walsh, 

 bred by him, in May, from Buccidatrix pomifoliella ; two males, from Professor 

 J. A. Lintner, bred from same species, and two males and two females, bred by 

 myself, between March and July, 1874. 



Professor Riley has also bred another parasite from the Bucculatrix, 

 also one of the C'halcididce, belonging to the Encijrtince. This sub- 

 family embraces a large number of small, active Clialcids, many of 

 which are of special valne to us from the predilection which they show 

 for attacking the various and destructive species of bark-lice. Mr. L. 

 0. Howard, of Washington, has recently described eleven new species 

 of this group,* which are parasitic on Coccidm ; whjle in Europe a 

 publication upon the group, by Dr. Mayr, in 1875, shows the follow- 

 ing great preponderance of the bark-lice parasites : one species upon a 

 hymonopterous insect, two upon Coleoptera, four upon lepidopterous 

 eggs, and sixteen u]ion lepidopterous larvaj, four upon Diptera, one 

 upon aphides, and tliirty-nine upon hark-lice — these last being over 

 fifty-eight per cent of all the known species. 



This second parasite has been described by Mr. L. 0. Howard, to 

 whom I am indebted for the following description and figure and the 

 permission to publish them : 



Encyrtus bucculatrix Howard, nov. sp. (Fig. 43.) 



Female. — Length of 'body, 1.2 mm ; expanse of wings, 2.5 mm. Greatest width 

 of fore-wing, 0.35 mm. Antennal scape slightly widened below the middle ; 

 pedicel as long as succeeding three joints ; funicle 

 joints gradually increasing in length and thickness ; 

 club, long, oval, as long as preceding four joints to- 

 gether. Wings, perfectly clear; marginal, post- 

 marginal and stigmal veins extremely short. Ovi- 

 positor slightly exserted. Head slightly punctured, 

 thorax very slightly shagreened ; abdomen smooth. 

 Fir.. 43.— The Encyrtus para- Color black, with a slight lustre, especially upon 

 site of tlie Apple-leaf liuccula- ji. j -k, •-,■,■, ■, 



tiix; enlarged to about fifteen cheeks, mesoscutellum and hmd coxae. Middle legs 



diameters. with trochanters, femero-tibial articulations, a mesial 



tibial band and the distal ends of tibiae, including spurs, whitish ; front and hind 

 legs the same, with the exception of the mesial tibial band; all tarsi whitish, 

 often with a yellowish tinge; antennae, except scape, yellowish-brown with gray 

 hairs. 



^Report Cominis. Agriculture for 1880, pp. 360-367. 



