242 



[November, 



pectinitarsis Stenh. 

 plumitarsis Fall. 

 cinctipes Whlhg. 

 galeatus Lw. 

 sagiltarius Lw. 

 claviger Stann. 

 gubernator Mik 

 discifer Stann. 



patellat.us Meig. 



confusus Zett. ol. 



tanypuft Lir. 

 discimanus Whlbg. 



discifer Zett. 

 coiifusus Zett. 



Tpatellatus Stann. 



plumipes Meig. 



DD. Ped. (c? ) inornatis. 



virgultoriiiii Hal. 



arhustorum Zett. 

 arbustorum Stann. 

 salictorum Lw. 

 cilifemoratus Macq. 



nitidus Stann. 

 festivus Hal. 



cilifemoratus Stann. 



Macqixarti Zett. 

 trivialis Hal. 



intermedins Stseg. 



flavipes Stann. 

 modestus Whlbg. 



simplex Meig. 

 vicinus Macq. 



tkalassinus Hal. 



fallaciosus Oerst. 

 parvicaudatus Zett. 

 ? incoiispicuus Zett. 

 sabinus Hal. 



pictus Stspg. 

 calinotus Lio. 

 atritibialis Zett. 

 agilis Meig. 

 linearis Meig. 



parvuhis Zett. 



agilis Zett. 



pallidicoxa v. Ros. 



plehejus Meig. 

 breviusculus Lw. 

 ? exiguus Zett. 

 basalis Lw. 



puncticornis Zett. 

 grandicornis Whlbg. 

 maculieornis Verr. 



consohrimis Zett. 

 notiibilis 7jett. 



notatus Staeg. 

 mediiconiis Terr. 

 lineaticoruis Zett. 

 propinqiuis Zett. 



affinis Whlbg. 

 ealigatus Whlbg. 



litorellus Zett. 

 acuticornis Fab?: 



ruralis Meig. 

 longicornis Stann. 



acuticornis Meig. 



nitidus Fall. 



cceruleicollis Meig. 



ornatus Meig. 



azureus Macq. 



nitens Stann. 



juciindns Hal. 

 griseipennis Stann. 



nitidus Stseg. 

 eurypterus Qerst. 

 subriitilus Zett. 



nubilus Meig. 



Actwus Hal. 



? pallipes Macq. 



inquinatus Hal. 

 excisus Lio. 



var. siculus Lw. 

 andalusiacus Beck. 

 latilimibatus Macq. 



vulgaris Stann. 

 albifrons Lw. 



latilimbatus Whlbg. 

 hilaris Lto. 



strigipes Terr. 



aratriformis Beck. 



anal is Macq. 

 angustipennis Kert. 



I find nothing to prevent Meigen's D. urhanus being the same as 

 Stann i us' species of that name. Meigen's species is certainly not the 

 same as D. simplex. 



6. TACHTTRECHUS Stann. 



1 (2) Basal joint of front tarsi darkened, not so long as next four joints to- 



gether ; those four joints hardly dilated 1. notatus Stann. 



2 (1) Basal joint of front tarsi long, thin and pale, as long as or longer than 



next four joints together ; those four joints remarkably dilated. 



3 (4) Fi'ont tibia3 bare ; face white 2. consobrinus V^n\k. 



4 (3) Front tibine spinose ; face ochreous or yellow. 



5 (6) Genital laniellfe with moderately long pubescence ...3. insignis Stann. 



6 (5) Genital lamellae with exceedingly long abundant pubescence... 



4. ripicola Lw. 



