A NEW SPECIES OF CHEILONEURUS WITH A KEY TO 
THE DESCRIBED SPECIES FROM THE 
UNITED STATES. 
By A. B. GAHAN, 
(Assistant, Cereal and Forage Insect Investigations, Bureau of Entomology.) 
The new species of Cheiloneurus below described makes the 
ninth species to be recorded from the United States. In order 
to more easily distinguish this new form from those already 
described a key to the species is included. 
Superfamily Chalcidoidea. 
Family Encyrtide. 
Subfamily Encyrtine. 
Key to the Described Species of Cheiloneurus from the 
United States. 
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IVIL ON SINS OR, Renee duc hy de PRR uet oh crabayt nisi sedctg code aie Manet Wins ve teas 9 
2. Wings hyaline; last two funicleGjourts: palew........,<4905 55 2 diaspidinarum How. 
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Se PbiGshiEclet OMmilonsen thaw the pedtdels 5. 2.6. ..4. anes sad. oo eka tne ee 8 
Hirst fyunicle joint equal to or shorter than the, pedicel. ...........5.0::.+::. 4 
4. Body wholly pale testaceous, except the middle coxz more or less of the 
mesosternum, the pedicel, first funicle joint, fifth and sixth funicle joints 
and the clip witch abet browHishe . 22). . 2. ei we thts es ek swezeyi Ashm. 
Thorax not wholly testaceous, with a part at least of the mesonotum metal- 
EMO EMMA ALOER vara COT RUA ecto: techs syclus< debeacomtata ayeic etevete aul teviae eee ope 5 
5. Antennal club nearly as long as the funicle and much enlarged; pedicel as long 
as the two succeeding funicle joints. .7......:.......... dactylopir How. 
Antennal club much shorter than the funicle and not much enlarged; pedicel 
NoOtasioueasiuhe LWwOLOllOowinorruni Cle jOimtS.. a1. 0s. oe bs cis ne lee oe 6 
6. Funicle joints all white; scrobes shallow and triangular... .albicornis How. 
Funicle joints not white; scrobes deeply impressed and semi-circular........ 7 
7. Scape flattened and somewhat expanded beneath, brown with a whitish 
stripe from base to apex; pedicel and first funicle joint nearly equal;antennze 
compressed; ocelli less than their own width from the eye margin.... 
See eC es ce ney ia raat eerste ra PeRAA  uctin Nace Ruan lod arid lineascapus Gahan. 
Scape slender, pale; pedicel distinctly longer than the first funicle joint; 
antenne only slightly compressed; ocelli about their own width from the 
ERE Lis ra eainlenir aly Attn ata SY Ox is SRI is tines Ga Poe Se eR cushmani Crawford 
8. Whole funicle as well as the club strengly compressed, all funicle joints except 
be first distimetlyswider thanvlongiisss2. 0.2.02 ac. 3 amplicornis n. sp. 
First and second funicle joints subcylindrical, following joints and club not 
as strongly compressed; all funicle joints except the last distinctly longer 
GA TIMRWHCL Cesare ee SEN cee Ree Pea teebiine x afare¥, ihoiger hs cupreicollis Ashm. 
Of, Scchralllibtrayesaosineivele <1. ee ota ee eae Jee Jn Oo ene eres dubius How. 
SCR eUitoteah “VE Ve re Moet et Gres, Sea ee ei eet Sie eRe aa ear ooeenig Terr Pe ieee 10 
10. Marginal vein very short, scarcely longer than thick......... dactylopui How. 
Marginal vein much longer, three or four times as long as thick............ 11 
11. Forewing with a distinct clouded area below the marginal vein; scape not 
appreciably expanded beneath....................... cushmani Crawford 
Forewing without a cloud; scape distinctly though not greatly expanded 
A COLGAN at Ai Week oe Re os oN Cs. hes cae Sedat, Sachem: OE es lineascapus Gahan. 
