78 (JKXKKA OF IIYMKNOITKUA. 



AnteniiH' 9 *^''t'' •'"•' flsist'lltim of ('(niiil width tlin>u(;lit)iit ; % antt'ima' pu- 

 bescent or (U'lisi'ly flotliL'd witlj short hairs; 9 nhdoiiifii rotdiid. 



Siihmii. *Dirhicnus Thoin. 



Section MICKOCEXTHI. 



Subfiunily Tktracami'IX.k. 



Meso))leurii not divided ; % tarsi 4-.joiiiti'd ; niar;;iiiiil vein loiip, narrow. 



*T4>trHfaiii|»e Fiirst. 

 Mesopleura divided ; % tarsi 5-jointed ; marginal vein hirge. black, oldonjj-ovate. 



*l*Iat.yiiocliiluH Westw. 



Subfamily Elachistin.e. 



Abdomen with a more or less distin(rt petiole ". 



Abdomen siibsessile ; scntellum with two dorsjil impressed lines; posterior ii'>ia' 



with one spur — 3. 



2. — Posterior tibia- with very long spui-s; vertex medially and collar acute. 



Eiiplecttrui* W-stw. 

 Posterior tibiaj with one or two short spurs; prothonix subconieal. 

 Posterior tibiie with one spur ; scutellura with two dorsal lines. 

 Thora.x ornamented with lijiht colors; scutellar sutures stniiKht. 



KfeiioineNiii!* A/estw. 

 Thorax not ornamented with lighter colors : body, or at least th ■ head, 



metallic KlaoliiNtli ^i Spin. 



Posterior tibiie with two spurs; body not metallic; scntellum vithout 



dor-sal lines .^iolro|»i!> Thom. 



3. Body winged, metallic, often ornate CirrOM|>iliiM Westw. 



Body not metallic; wings short or wanting .^Irliftobia Westw. 



Subfjimily Elassmin^:. 



Tarsi 4-jointed ; posterior coxie very large and strongly compressed ; head semi- 

 globose, front deeply but sparsi-ly ])unctured ; antenna % flabeliatt : 

 submarginal vein not broken, furnished with many bri.stles, jmst- 

 niarginal distinct; prothorax large: mesothoracic parapsides not 

 defined or indicated only by very slight grooves ; abdomen with a 

 transvei-se smooth and conspicuous petiole ElaNiiiii!* Westw. 



Subfillilily El'LOPHIN.K. 



Scntellum without dorsal lines 2. 



Scutellum with dorsal lines; funicle ajid club :)f 9 -i-jointed 9. 



2. — Antennie inserted in middle of the face ; scape reaching far above the ocelli ; 

 % antennse with three branches; posterior tibi» with one spur. 



*Heini|(tar!ii(>iiiiM Westw 

 Antenme inserted far below the middle of the face ; scape reai-liing no higher 



than the ocelli: posterior tibia? usually with two spurs 3 



3. — Parap.sidal sutures complete, bft delicate 4. 



Parapsidal sutures not discernible 5. 



4.— Antennje of % 3-braiicheil ; abdomen elongate *T«'leoglllHS Thom. 



Antennw of % simple ^Olinx Forst. 



