SYNOPSIS OF NORTH AMERICAN SYRPHID^. 109 



fiilvo, segmeuto P uigro, linea iutermedia vittisque trausversis tribiis, 

 tertia interriipta, maculis segmeutorum quartis et quiutis,utrinque, uigris ; 

 X)edibus pallido testaceis, tibiis posticorum basi, tarsisque totis, pallida 

 rufis. 



Autennes fauves, extremite du 3« segment et cbete, noiratres; face 

 d'uu jaune blanchtitre, medians d'un fauve luisant; front jaune; thorax 

 bronz6; abdomen d'un fanve rougeatre, l«^^ segment noir, une ligne 

 m6diane interrompue, elargie vers les incisions, an 6« segment, trois 

 larges bandes trausversales situees sur lesdites incisions, la-S® double- 

 ment interrompue, deux points arroudis, de cbaque cote, sur le 5% et 

 quatre macules irregulieres sur le 6"^ segment, noirs ; cuillerons blan- 

 chatres, balanciers jaunes. Ailes ne depassant pas I'abdomen ; face sail- 

 lante, obtuse, calleuse ; antennes, 3« segment orbiculaire. 1 specim. — 

 Bigot, 1. c. 



Sphaerophoria infumata. 



Syrphiis hifiimaiiis Thomson, Eugenies Resa, 501. 



Habitat. — California (Thomson). 



^ueo-niger, epistomate, pectoris maculis liueaque frontali utrinque 

 albido-margarita-ceis, antennis, vitta laterali abbreviata thoracis, scu- 

 tello, pedibus fasciisque abdominis flavis, alis leviter infumatis. <? $• 

 Long. 5-6'"'». 



PrcTX'edenti [S. sulphuripes] simillimus sed parum reneo-micans, an- 

 tennis articulo 3° ovali-rotundato, linea media impressa frontali obso- 

 leta, gula seneo-fusca, alis leviter infumatis, abdomine fascia 1* Integra, 

 coxis anterioribus nigricantibus, apice tlavis distinctus. 



Mas dififert coxis omnibus fusco-nigris, apice pallidis, abdomine seg- 

 mentis 4-6 rubris, signaturis fusco seneis vix ullis. — Thomson, 1. c. 



♦ ADDITIONAL NORTH AMERICAN SPECIES. 



Sphaerophoria fulvicauda Bigot, Arm. Soc. Ent. Fr., 1884, 104. — Mexico. 

 Sphaerophoria nasUta Bigot, Ann. Soc. Ent. Fr., 1884, 103. — Mexico. 

 Sph^rophoria pachypyga Bigot, Ann. Soc. Ent. Fr., 1884, 104. — Mexico. 

 Sphaerophoria picta Macquart, Hist. Nat. Dipt., i,553, 8; Zetterstedt, Dipt. Scand., 

 ii. 772: viii, :?161,7; Holmgren, Ins. Nordgroenl., 100. — Greenland. 



Syrphits jnctus Meigen, Syst. Beschr., iii, 326, 77. 



MeUtbreptns pictiis Scbiner, Fauna Aiistriaca, i,317. 

 Sphaerophoria picticauda Bigot, Ann. Soc. Ent. Fr., 1884, 102.— Mexico. 

 Sphaerophoria strigata Stjiger, Groenl. Antl., 362,31; Holmgren, Ina. NordgroenL, 



100. — Greenland. 



« 



SphcBj-ophoria hieroglyphica Meigen, Syst. Beschr., iii, 327, 78. 

 Sphoerophoria vienthastri Linn6, Meigen, Syst. Beschr., iii, 325, 75. 



Walker, List, etc., iii, 593, mentions these European species as oc- 

 curring in Nova Scotia, but his statement is of littlo value without con- 

 firmation. 



