FAM. IMKiKIh.l'; g 



in loui rin\ s ; aiilcniji luw (■cinsisliiiL; dI Iwu incdian. iie\l row ni' tuo, aiiil two up)pei i./A:, c.h h nl i.mii 

 bristles. Ocelli lai|;c, on a liihcnlc ; tronl with an iinpresscd niedian line. .-\ntenn;e iarge. their cavities 

 small, tiu' lliird joint ovai or (dnical. « ith an ajncal arista. Proboscis smail, palpi vvith fevv and very 

 ueak hristlcs. Thoia.x strongl)' arched above. Abdomen ot' female verv stout and short, the ovipositor 

 stout and heav ily chitinized, black, more or less shovel-shaped and blunt at the tip. Win.sjs large, the 

 third vein forked neai the ape.x: four liKht veins prcsent. f.ojjs rather lon>4 and slender. without bristles, 

 except for onc tiliial spur on cach of tlie ]iostcruji ](-i,'s. I liiul til)ia' with tinc setulse. 



Type species : .1. h-ii^aiulei. ((xiuilletl. 



Geographical distributlon of species. — lint two species are knovvn. both fioni .\orth 

 Amei ica. 



1. ^. y-^ir^^nwi/iv. ( o(|uillet, I'roc. lint. Soc. Wash. Vol. 4, p. 5oi ^1901; (U. S. .\.). — Plate 2, Fig. 10. 



2. A. Wh(eleii. Ilrucs. Trans. Aiiier. Ent. Soc. \'oI. 2q, p. 373(i904)(U. S. A.). 



7. Genus APHIOCH/ETA, Brues 



Aphiochseta. liiucs, '1'ians. .\nier. Hnt. Soc. \"()l. 2(). p. 33" (1904). 



Characters. — llead usiially rathei small, thc froiil iisually about ciuadrate, vvith four rovvs cjf 

 bristlcs. Anterioi rovv consisting of tvvo 01 tour closely placed. proclinate: three upper rows of four cach 

 normally althouj;h the median paii of the lovver row is sometimes absent. Eyes moderatelv larj>e. ocelli on 

 a tubercle. Frontal impressed groove i^enerally present. Aiitcnnae oval. vvith a dorsal arista. Palpi scarcely 

 everstrongly enlaiged. usually vvith strong bristles. Pioboscis usually small. biit sometimes enlarged or 

 heavily chitinized. Cheelvs each with a pair of macroch.-cta;. Thoiax vvitli a single paiv of doisocentral 

 bristles. .Abdomen oval or long and tapeiing in the female, inuch moic slender in the male with 

 projecting hypopygium. Ovipositor letractile, soft and fleshv . Legs without preapical bristles on the 

 tibiae. although the tour jiosteiior ones are sometimes finely setulose. Si>iirs present 011 four hind legs. 

 Wings amplc. thc thiul vpin foikcd al tlie ape.c, mcdiastinal vein prcsciU. 



Type species : .4. iiii,>ii-eps. Locw . 



Geographical distrlbution of species. This geinis is thc largest in the fainilv, and 



practically world-wide in its distril)Ution. 



1. A. aorarici, Lintner, Tenth Rept. State Ent. Xevv York, p. 3Qq (iSq4)(U. S. A.). 



ittacta. Aldrich. Canad. Entom. Vol. 24, p. 141 ('.' non <3). 



2. A. albidolialteris. Felt. Twelfth Rept. State Ent. New York. p. 22S ii.Sge) (U. S. A.). 



3. A. at^icalis, Brues, .Ann. Mus. Nal. Hung. Vol. 3, p. 544 (Bombav, India). 



4. A. atlantica, Brues, Trans. .\mcr. l-;nt. Soc. Vol. 2(), p. 3t)2 (1904) (N. Am., 'West liid.. 1'crui. 



5. A. aurea. Aldrich, Trans. Flnt. Soc. Lond. p. 4^7 (1896) (West Indiesl. - Plate I , Fig. 5. 



6. A. hella. Brues. .Ann. Mus. Xat Hung. V^ol. 3, p. 39K (igo5) (Peru . 



7. A. cata, MelandercV- Brues, Biol. liull. \'ol. 5. ]i. ib (1903) (East U. S. .\.(. 



8. A. ciliata, /^etterstedt. Dipt. Scand. Vol. 7, p. 2,^72 ( 1848) (Europe). 



((. A. (?) coriiiita, Bigot, Sagra's Hist. fis. y nat. de Cuba, Vol. 7. p. 348 1 iS5(>l (Cuba). 

 in. .1. rostalis. von Roser, Wiirtemb. Correspond. p. O4 (1840) (Europe). 

 II. A. crassimaiia. Brues. Ann. Mus. .Xat. Hung. Vol. 3, p. 5^8 (mo5) (Xew South Wales). 

 nnssiiieura. Rondani. I'r.>d. Di[)t. Vol. i, ]). 137 ^i856i. 

 Inuimeifeiinis. Costa. Contrib. alla Faiina Dipt. V0I. 2. y. 4.«ii857). 

 eost.ila, /etterstedt, Diiit. Scand. p. 6474 11860 . 

 a.xillaris. Zettersledt. idcm. p. 6477. 

 crassicusta. Strobl. I^tioridon Oesten-. p. 1114 iiScjSi. 

 12. A. ciihitalts. ilecker. Abh. Zool.-bot. (ies. Wien \'ol. i. p. 56 tigoi ) ( Kuropei. 



