A new species of the genus Cheiloneurus

126 PROC. ENT.

SOC.

WASH., ^VOL.

XIII, ^1911.

A NEW SPECIES OF THE GENUS CHEILONEURUS.

[Hymenoptera;

Encyrticht.]

BY

J. C.

CRAWFORD.

Cheiloneurus cushmani, new

_species.

Female.

Length

^about1.75

mm. _Varying

shades _{of green, blue,} and _purplish, the face

and

rear of head largely reddish testaceous;

pronotum, axilla?,

and

scutellum orange, ^suffused anteriorly with brown; scapewhitish, rest ofantennaedark brown,^firstjoint of funicle shorterthan _pedicel; alljoints of funicle _slightly longer than wide, antennal depression deep, sharply

marked

semi-circular, reaching abouthalf

way up

scape,abovethisthe facewithfineshallow thimble- like punctures, at sides ofantennalfossa

becoming more

^{like reticu-}

lations; ocelli inan equilateraltriangle, the lateral ones about their

own

^width

from

_eyes; cheeks _finely reticulated with raised _lines;

mesoscutum

_very finely longitudinally lineolate, witha_{silky lustre,} and with

many

silver-white _hairs; scutellum with thimble-likepunc- tures; apical tuft black; wings, exceptthe hyaline bases, strongly ^in- fuscated, the infuscationdecreasing gradually

toward

_tips of wings;

front and hind legs basally translucent whitish, front legs

beyond

middleof

femora

_light brownish; middle _legs brownish, ^{their tarsi} whitish; hind

femora

and tibiae brown, the tarsi whitish;

abdomen

reticulatedwithfinerugulose.

Male.

Length

^1.5

mm.

Similar to the female; the antennal de- pression not well marked, the sculpture coarser, especially ⁱⁿ meso- scutum,

where

anteriorly ^{it is}finely longitudinallyrugulose

and

pos- teriorly reticulatewith fine rugulaa; entire insect varying shades^of metallic with

more

greenish than ⁱⁿ female; ^{hairs of}

mesoscutum weaker

andless

numerous

and therefore not so apparent;

wings

only slightlyinfuscated, withadeeply ^infuscated spot at marginal vein;

scape ^{whitish, rest of}antennae _light

brown;

^front and middle _legs whitish, the apicalpart

somewhat

brownish; hind

femora

and tibiae stronglybrownish.

Habitat: Vienna,

Virginia.

Type: No. ^{14097, U.}

^S.

^National Museum.

Six female and

five

male specimens from

^{a series}

^reared

May

24, 1911,

from Kermes

_sp.

_by Mr. R. A. Cushman, Bureau

of

Entomology, ^U.

^S.

Department

^of

Agriculture, and recorded under Quaintance ^note No.

7038.

Related

to C. cnpreicollis

Ashm.

,

which has the

ocelli in

an

equilateral triangle,

but which has the

_joints of

the

funicle elongate,

the

first

much _longer than the

_pedicel

and the mesoscutum

is

shiny and _punctured.

Actual date ofissue,

June

19, 1911.