126 NEW YORK STATE MUSEUM 



(pl.37, fig.12). In some species pel idle nt ihc ciiln'ms is very short 

 (pl.27,fig.4). 



The only Inrvn which I have found lK-litii.niii.u- l< ihis genus is 

 that of n (1 11 in It r ;i 1 11 s n. sp. i pi. I'll, li.us. I.~H. I'upae of the 

 ;ilniv- species and of 1'. ]i i n u' n i * I'\v. \\ill ' found described 

 Upon ;i sillise.|iieiit p;iue Ipl.l'.l. li.us.:'. I. .-iinl pl.L'tl. li.us. I :ilid 5). 



KEY TO SPECIES OF PROCLADIUS 



I ni'i'/i 



a Legs iiiiiriinn in color, pale or dark 



b Legs piceous or brownish; fore metatarsus about one sixth shorter 

 tlian tlie tiliia : opaque l>la<-k spe-ies. ilmrax cinereous, Mack slripi d ; 

 crossvein liirlitly cinereous: \\ings while; halteres \\hite; length 



-I..", uiiii 1. t u r p i s /ell. 



bb Legs yellow: liro\\n spe.-ies. proihorax. a spot near its liiiincrus and 

 sciilellum dark yellow; length I.', mm. (Colorado) 



2. occidentalis 

 aa r^'.^s hi colored 



b Yellow or red dorsum of thorax < usually pale specie- i 



C Scutelluiu and metanotum yellow, the latter sometimes with a line 



of hlndc 



<l Small yellowish s] thorax \\hitish with three shilling red- 

 dish --tripes : lei i -th 1.. ".(.,-_'._'.". mm 3. pu s i 1 1 u s 



<1il Larger yellow -peeies. T> mm 4. b e 1 1 u s 



cc Seutellum and meiaiiotum, either one or both, with considerable 



hlack upon thc'in 

 / Tips of fore femora black; abdomen black and fnsous ; male, 



length 4..~> mm 5. thoracicus 



(/r/ I'ore femora not as above 



Fore femora wholly yellow; alKlomen yellow; segments with 



black bases ; female, length 3 mm G. concinnus 



ee Fore femora black and yellow 



f Femora black, bases yellow ; male abdomen black and white; 

 female abdomen black : male fore tibia white with black 

 tip; female fore tibia black ; length 3mm. (Cuba) 



7. humeralis 



ff Femora and tibiae yellow, each with two black rings; abdo- 

 men black and yellow ; female, length 3.5 mm. 



8. tricolor 



bb Black or fuscous dorsum of thorax (dark species) 

 c Femora more than half yellow 



d Abdomen wholly dark brown suhshining; thorax shining brown, 

 with three shining dark brown stripes ; tibiae nearly wholly 

 brown ; halteres sordidly yellow ; female, length 3.5 to 4 mm. 



9. c a 1 i g i n o s u s n. sp. 

 dd Each abdominal segment basally or apically yellow 



e Thorax pitchy black ; pleura ferruginous ; abdomen black ; bases 

 of segments yellow ; male, 3 mm 10. flavicinctus 



