614 
horni Strand, [Halictus] Ceylalictus__--------- 
hortorum Linnaeus, [Apis] (Bombus) Horto- 
humilis Cockerell, Chaleobombus- ----------- 
humilis Imhof, [Andrena] Chlorandrena_-__---- 
husela Cockerell, [Prosopis] Euprosopis- - ----- 
hyalina Cresson, [Perdita] Cockerellia____-___- 
hyalinata F. Smith, [Hylaeus] (Prosopis) 
Spatulariellas--==2==-2-222ees2e st ee 
bypnorum Linnaeus, [Apis] (Bombus) Pyro- 
ignita F. Smith, [Augochlora] Augochloropsis- 
ilicifoliae Cockerell, [Halictoides] Amblyapis-- 
illinoiensis Robertson, [Phileremus] Holcopa- 
illustre Cresson, [Anthidium] Callanthidium__ 
imitatus F. Smith, Leioproctus___------------ 
incertus Holmberg, Chalepogenus_-__---------- 
indecisus Cockerell, Protobombus------------ 
inflaticeps Ducke, [Halictus] (Corynura vel 
Corynuropsis) Rhinocorynura_-_----------- 
infragilis Cresson, [Megachile] Anthemois- -_-- 
inquirenda Vachal, Orphana_---------------- 
[Orphana] Leptoglossa_-__- 
[Orphana] Ptoleglossa____- 
insolitus Cockerell, [Triepeolus] Synepeolus --- 
integerrima Dalla Torre, [Nomada] Phor--_---- 
integra Cresson, [Megachile] Xeromegachile__- 
integra Robertson, [Nomada] Phor------------ 
interrupta Fabricius, [Apis] Paraanthidium_- 
inyoensis Michener, [Ashmeadiella] Cory- 
Phochilaeus! 2h cree eee ie ee Oe Eat eS 
ipomoeae Robertson, [Xenoglossa] Cemolobus_ 
ipomoeae Schrottky, Meliphila___------------ 
ireos Pallas, [Apis] (Podalirius) Paramegilla_- 
iridescens Friese, Protomelissa--------------- 
itama Cockerell, [Trigona] Heterotrigona_-__ 
jacintanum Cockerell, [Chelostoma] Cephala- 
javanus Ritsema, Steganomus--------------- 
johnsoni Bréthes, Arhysosage---------------- 
jorgenseni Friese, [Nomia] Nomiocolletes_-__- 
kirbyanus Latreille, [Epeolus] Phileremus-_-_- 
[Epeolus] (Phileremus) 
Ammobatoides__--__---_- 
konowi Brauns, Eucondylops___------------- 
kozlovi Skorikov, [Bombus] Kozlovibombus_ 
labialis Kirby, [Melittal (Andrena) Holandrena 
labiata Fabricius, Megilla__......------------ 
[Megilla] Macropis_-------- 
labiata Fabricius, [Andrena] Poecilandrena__ 
labiata Kane: Macro pis 2 =- eee an 
labiata Provancher, Chelynia__-------------- 
laboriosus Fabricius, [Bombus] (Psithyrus) 
Ma DOMODSIGHVIUS2 eens oa eee nen 
lacertinus F. Smith, Leiopodus___-_---------- 
[Leiopodus] Melectoides_- 
laesus Morawitz, [Bombus] (Agrobombus) 
escsobombus se ee Se ee oe ee ee 
laevigatum F. Smith, Stilpnosoma__-_-_----_---- 
lagopus Latreille, [Andrena] Scrapter____------ 
laneae Cockerell, [Perdita] Perditella__--____-- 
lapidarius Linnaeus, [Apis] (Bombus) Lapi- 
dariobombus:-2--2-:=- 
[Apis] (Bombus) Melan- 
obombus:s22---22--2=— 
PROCEEDINGS OF THE NATIONAL MUSEUM 
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Page 
larreae Cockerell, [Bombomelecta] Kerome- 
Nectal..< Ss. SoS ee ae AE ea), Ses ee 608 
larreae Cockerell, [Perdita] Perditella_________ 587 
lasureus Friese, [Halictus] Calleupetersia______ 533 
lata Cresson, [Crocisa] Ericrocis_______________ 549 
lateralis Cresson, [Stelis] Microstelis___._______ 574 
laticeps Friese, [Anthophora] Eucara__________ &49 
laticeps Morawitz, [Anthidium] Archianthi- 
Gium: 5-2= Be 2S ee a 528 
latimanus Say, [Megachile] Xanthosarus______ 607 
latior Cockerell, [Perdita] Macroteropsis______ 567 
latipes Drury, [Apis] Audinetia______________ 529 
[Apis] Platynopoda___________- 588 
latipes Fabricius, [Xylocopa] Audinetia_______ 529 
[Xylocopa] Platynopoda____ 588 
latitarsis Friese, [Trigona] Scaura_____________ 598 
latreillei Lepeletier, Melissoda________________- 571 
lecointei Ducke, [Leiopodus] Parepeolus______- 585 
lefebvrei Lepeletier, [Bombus] Alpigenobom- 
Uses 222 ae 5 See ee wens 2 sae 524 
leprieuri Blanchard, [Apis] Melissodes________ 571 
libanensis Friese, [Exoneura] Exoneuridia____- 552 
ligatus Say, [Halictus] Odontalictus__________ 579 
nugusticus Spinola, [Bombus] Megabombus____ _567 
limao F. Smith, [Trigona] Lestrimelitta______ 564 
lobata Fabricius, [Dasypoda] Eriops__________ 549 
[Dasypoda] Panurgus______- 582 
tobata Panzer, [Andrena] Eriops_______-______ 549 
{Andrena] Panurgus___________ 582 
longiceps Ashmead, Hylaeosoma_-_-__________-_ 559 
longicornis Fabricius, Eucera___....-._-.2--2<- 549 
longicornis Linnaeus, [Apis] Eucera_____-___- 549 
longimana Fabricius, [Centris] Trachina______ 605 
longula Friese, Strandiellal_-- 2-2 ee 602 
lovelli Viereck, Conohalictoides_____________- 540 
lustrans Cockerell, [Panurgus] Hemihalictus_. 557 
lutea Cameron, Ctenoapis___.__...---_--.---- 542 
luteicornis Cockerell, [Melissodes] Martinapis 567 
[Melissodes] Martinella__ 567 
luteola Olivier, [Nomada] Xanthidium______ 607 
lycorias Schrottky, [Augochloropsis] Parau- 
gochloropsis 222226 24s A eee 585 
macrognathus Friese, [Halictus] Rostratilapis_ 597 
maculata Cresson, [Melecta] Micromelecta___ 573 
{Melecta] Zacosmia_____-_- 608 
maculata Jurine)Pasitesss2 aie ae 585 
maculipennis Cameron, Lamproapis____-_____ 562 
maculipennis Friese, [Colletes] Ptilopoda __-_- 594 
malpighiacearum Ducke, Halictanthrena___-- 556 
malvae Rossi, [Apis] Macrocera__------------ 566 
[Apis] Metraloniasss2slseews 603 
manicata Linnaeus, [Apis] Anthidium_____-- 526 
manifestus Fox, [Panurgus] Callandrena____-_ 533 
marginatus Cresson, [Panurgus] (Halictoides) 
Mpihalictoides\: 22a eee 548 
marginipennis Cresson, Eunomia_------------ 550 
{Eunomia] Dieun- 
Omlig Seu cet tee 546 
mastrucatus Gerstaecker, [Bombus] Mastruca- 
tobombus=4 2 ae eee eee 567 
maura Cockerell, [Perdita] Zaperdita__------- 608 
Maura Herons PeOre was se ea ee 587 
[Pérezia] Fertonella_---------- 552 
maura Viereck, [Andrena] Dactylandrena_... 543 
maurula Cockerell, [Andrena] Protandrena_-. 591 
