18 
Lithurgus collaris. 
7. Lithurgus collaris Sm. 
1873. - Lithurgus collaris Smith, <J - Trans. Entom. Soc. London p. 202. 
>( j_ _ Black; the face covered with cinereous pubescence. 
Thorax ; the collar with cinereous pubescence, beneath it inclines 
to fulvous, on the disk it is short and black ; the legs shining 
black, with the posterior femora incrassate ; the tibiae are also 
stout and as well as the first joint of the tarsi are fnnged with 
short black pubescence, wings slightly fuscous, their nervures 
black Abdomen shining, flattened above, with the posterior 
margins of the Segments narrowly fringed with short white pu¬ 
bescence, more or less interrupted in the middle ; beneath with 
black pubescence and the margins of the Segments with a cine¬ 
reous fringe. - Length 5«/* lines (= 12 mm lg.). Hakodadi.« 
Japan. 
8. Lithurgus umbraculatus Lep. 
1841. - Lithurgus umbraculatus Lepeletier, $ Hist. nat. Insect. Hymem H. 
»§ —Niger; caput rufo-villosum, linea frontis sub antenms 
elevata, transversali, subtus subcochleariformi; thorax rufo-villosus; 
abdomen supra, segmentis pilis substratis rufis cil.atis; scopa 
ventrali rufo villosi, tarsis 4 posticis ferrugineo-villosis , aa 
hyalinae. — Long. ? 
Patria?« 
9. Lithurgus tuberculatus Lep. 
1841. - Lithurgus tuberculatus Lepeletier, $ Hist. nat. Insect. Hymto. II. p. 346. 
_ Niger ; caput rufo-villosum, tuberculo frontali trans 
verse sulcato ; thorax rufo-cinereo-villosus ; abdomen subnudum 
segmentorum supra margine infero tenui pilis albis ciliato ; scopa 
ventrali alba ; pedes nigro-villosi ; alae hyalinae. — Long.. 
Patria ?« 
10. Lithurgus suhlirvis Perez. 
1897. _ Lithurgus subtevis Perez, ?, Actes soc. Linn. Bordeaux LII. p- XI. 
£ Long. 11 mm. Abdomen luisant, tres finement et läche- 
ment ponctue, si ce n’est vers le bout, oü la ponctuation est 
cependant moins dense, ainsi que sur le reste du corps, que 
chez le ehrysurus■ Disques des segments 4 et 5 tres on 
Villosite moins dense en general, mais les franges ab omina es 
plus etroites. Milieu de la face, au-dessous des antennes, tres 
