INSECTA. 357 
or not at all produced; second joint inserted into the middle of 
apex of former. 
+ Labial palps different in form from maxillary, with two large 
basal joints compressed, dilated. 
Nomada Scopout, Fasr. Mandibles small, narrow, unidentate 
or edentulous. Cubital cells in some three, in others two. 
Sub-genera: Oxea Kuue, Crocisa Jurtne, Latr., Melecta Latr., 
Pasites Jurine, Lpeolus Larr., Phileremus Larr., Ammobates 
Larr. 
Sp. Nomada succincta Panz., Deutschl. Ins., Heft 553, Tab. 21; Nomada 
Roberjeotiana PANZER, ibid. Heft 72, Tab. 19, &e. 
Comp. HerricH ScH#Frrer, Auseinandersetzung der ewropdischen Arten 
einiger Bienengattungen, in GERMAR’S Zeitschr. f. die Entomol. 1. 2. 1839, 
s. 267—288 ; the same in his continuation of Panzer’s Deutschl. Ins. 
Heft 166 and 176. 
Megachile Larr. (Anthophora Fasr., Phyllotoma Dum.) 
Labrum elongate, inflected, porrect below under the mandibles. 
Mandibles broad, dentate or narrow, porrect, bidentate at apex. 
Cubital cells mostly two. 
1. With two cubital cells. 
a) With abdomen smooth or only downy, not pollinigerous. 
Sub-genera: Coliowys Larr., Stelis Panzer, Latr. 
b) With abdomen in females provided beneath with long sete forming 
brushes for collecting pollen. 
* With abdomen oval or triangular. 
Anthidiwm Fasr., Larr. Maxillary palps with single joint. 
Comp. LATREILLE, Mémoire sur le genre d’Anthidie: Annales du Mu- 
séum, XIII. 1809, pp. 29—53: pp. 207—234, Pl. 1. 
Sub-genera: Osmia Panzer (Trachusa JURINE, in part, Osmia 
and Anthocopa Lerrtet.), Lithwrgus Lavr., Megachile Latr. (Chali- 
codoma LrrELet.) Maxilliary palps with two to four joints. 
Sp. Megachile centuncularis, Apis centuncularis L., Dum. Cons. gén. s. 1. 
Ins. Pl. 29, fig. 3, GuéRIN Iconogr. Ins. Pl. 73, fig. 7. These bees cut 
pieces off rose-leaves, which they stick together and form into cases rolled 
artfully together in form of thimbles. They arrange several of these cases 
behind one another in a row, and lay in each of them an egy and a supply 
of food for the larva. See R&aumuR, Ins. v1. Mém. 1v.—Megachile mu- 
raria, Xylocopa muraria Fasr., REaum. ib. Mém. 1. Pl. 7, 8; G. C. 
Scumrrmr, die Maurerbiene, 1764. 
