Gs Specific Characters in the Bee Genus Colletes II 
6..Prothorax with prominent lateral spines.................-- % 
GeeLOMOGAX. WAtNOIIL SPINES Go. fates. yo akieae 6 to.c-sih s)erelere ean 8 
7. Malar space about as long as broad; smaller, about 9.5 mm. ..skinneri 
7. Malar space scarcely one-half as long as broad; larger, about 15 
VAL en oS ee cS a to OIE OR Rr i a aa AE ee gilensis 
8. Metathorax with a rugose triangular enclosure and no pitted 
superior face; malar space about as long as broad; 9-11 
AUDIT any Maver iy Meietarac ciiotabe a ais} a0Sva\regevehctas tasvaia tie, sees eas eran Searels compactus 
8. Metathorax with a distinct superior face crossed by a trans- 
Versemsentes? Of sSUbGUAdGAter pitSeark ss oacmias vlade setenlepeeee 9 
9. Malar space a little shorter than broad; clypeus flat, not sulcate; 
hain ote legs entirely spales 10-12 -mimit. 35.2% os. 6. sb es vee inaequalis 
9. Malar space exceedingly long, twice as long as broad; clypeus 
long, broadly sulcate; posterior tibiae with dark hair; 10 mm.validus 
PROS OMIA ey ee LOTS Hr ha By Gis endear Se spade ah ciclo Relea e ao oe an! 
HOS OInin4 eS Omir esse till wr teaincls corte alata eestor @icathi oe ete sraetortien 12 
11. Mesothorax coarsely and closely punctured; hair of thorax and 
PAGE PEISILs VOMOW Isis LO) AIM I) ey de Baas pole, w ies are « distinctus 
11. Mesothorax finely and sparsely punctured; hair of thorax and 
PAC ACU ew kite Sistine hee se Sah A ctah mM. Sete productus 
12. Tarsi clear bright ferruginous; malar space nearly as long 
ABM DGOAGs WS mia <1. BAMA cee ove cee Severo oot cat. e bros algarobiae 
emmelb erred ymin kas fet teen hererra ar tl ea ete ieras nce et oretemaiee te iene 13 
13. Basal joint of hind tarsi stout, about three times as long as 
broad; tibial spurs long and hooked; posterior tibiae medially 
SWOMen* VELLEX IP lINGtatern Ostet cs 02 as 2 Pe's | aye ones intermixtus 
13. Basal joint of hind tarsi slender, four to six times as long as 
acdc titel. Spins Stearn 2 i; 5 8.0.3 awa oa hola a candice Neier o's den tak 14 
14. Malar space about five-sixths as long as broad; 8 mm. ./acustris 
14. Malar space about three-fifths as long as broad; 7 mm. .fraserae 
ioe omt 4long\——--|-3-Or exceeding fieml!.<s oo+.s oases ecee ce eee 16 
Heme OM Mae ShOne mn lesse tient le omic tee ce clrlo sre stag Gyave) otslend Locha a a amare 18 
16. Abdomen with basal segment closely and strongly punc- 
ATSC aan OMT kee ators cans ecatete lene rea braka ee ha oe erator hydrophilus 
16 Abdomen *tathers sparsely punctureds.. x42 .0).cs¢ dees sce iy 
17. Joint 3=one-half of 4; malar space one-third as long as broad; 
(S933 (AVC Ong Simi Reit ae meee os 5 ape ad to oe pee an eee eA AN scopiventer 
17. Joint 3 less than one-half of 4; malar space one-fourth as long as 
PSG AIG ep Obani iinet eens REO. chi ee Ne AKO cuca aoe ei sp agenk ny Oke NE Sh oS nudus 
18. Abdominal fasciae very broad and deeply tinged with ochre- 
ous; lobes of the seventh ventral plate hairy from the lat- 
eral bristle tufts to the apex, centrally with an area of very 
lone a GrechyO, remorse Matus 7 -TOotmimas ss. es sees cre ue angelicus 
18. Abdominal fasciae narrow and pure white; lobes of the sev- 
enth ventral plate without a central area of peculiar hairs. 19 
53 
