64 INSECUTOR INSCITLt MENSTRUUS 



p<£ is magnipalpis Becker, which has the frons almost twice as wide as 

 either eye, dark reddish brown in color, juid red anteriorly ; surface of 

 frons with short black hciirs ; fronted triangle reaching only to middle of 

 frons; legs, including fore coxae, reddish yellow, femora and tibiae 

 broadly brown. 



Eugaurax insularis, new species. 



FemsJe : Yellow, subshining. Frons opaque yellow, width bcirely 

 more than equal to that of either eye ; triangle short, not hcJf as long as 

 frons, subshining, surface hciirs, pale short, bristles as in E. floridensis 

 McJloch ; ocellar region black ; face, cheeks, cind antennae yellow, third 

 joint of emtennae slightly darkened above, arista slightly longer than width 

 of frons, yellow at base, brown apically, not swollen, sparsely and shortly 

 pubescent ; cheeks about one-eighth the height of eye ; eye about one- 

 third higher than long, hairy ; palpi and proboscis yellow. Mesonotum 

 with 6 black vittae, the middle pair narrowly separated, the submarginal 

 pail posteriorly abbreviated, the pair above wing base short and spot-like ; 

 the bristling as in floridensis, but there aure 5-6 notopleuraJ bristles pres- 

 ent ; pleurae immaculate ; scutellum with two strong, black, apical bristles, 

 and numerous weaker bristles irregularly arranged on latereil margins. 

 Abdomen with all segments suffused with brown ; surface covered with 

 weak, pjJe hairs. Legs entirely yellow ; claws black, rather long. Wings 

 cleeir ; second costcJ division nearly three times as long as third ; outer 

 cross vein slightly oblique ; veins almost colorless. Halteres yellow. 



Length, 1.5 mm. 



Type: Cat. No. 15744, U. S. Nat. Mus. 



Type locality : Fajardo, Porto Rico (Busck). 



Pjtfatype: Bayamon, Porto Rico (Busck). 



The oiJy other species of this genus was described in April, 1913, 

 Ins. Insc. Mens., p. 46. 



Date of publication. May 31. 1913. 



