2 
SECOND YARKAND MISSION. 
it has been found in New Zealand. In the New World it appears to he most plentiful in the 
United States, Mexico and California ; hut in tropical localities only two or three species 
have, to my knowledge, been discovered. 
The habits of these bees, as far as those of the European species have been observed, are 
to form their burrows in dead sticks, in the pith of which they excavate their tunnels. 
2. Lamprocolletes peregrintjs, Eig. 5. 
Eemina. — L. capite thoraceque nigris, abdomme clialybeo, alis fusco-hyalinis. 
Head and thorax black ; the face with silvery white pubescence, as well as the thorax 
anteriorly and posteriorly above ; the head beneath, a band between the wings, and the legs 
covered with black pubescence; wings fusco-hyaline, the anterior wings darkest, and 
having a violet iridescence ; at their base they are subhyaline. Abdomen ovate and of a dark 
shining steel-blue ; the apical segments with black pubescence. Eemale, length 5 to 5 |- lines. 
Sab. — Yangihissar, Eastern Turkestan. Taken in April. 
All the species of this genus, previous to that here described, have been from Australia ; 
about twenty have been described. 
3. And rena eamiliaris, Eig. 3. 
Mas. — A. atra, pallide villosa, abdominis segmentis tribus basalibus pallide rufo- 
marginatis. 
Black; the face and cheeks with a pale fulvous pubescence; the flagellum of the 
antennae fusco-ferruginous beneath ; the thorax has a similar pubescence ; the cox* and 
femora rufo-piceous ; the tibi* and tarsi pale testaceous yellow ; the wings hyaline and 
iridescent ; the nervures and the stigma pale rufo- testaceous. Abdomen oblong-ovate, with a 
thin short pale pubescence ; the apical margins of all the segments testaceous, those of the 
three basal segments pale ferruginous ; beneath entirely pale rufo-testaceous. Male, length 
4J lines. 
Sab. — Neighbourhood of Yarkand. Taken in May. 
4. Andrena eloridtjla, 1 Eig. 4. 
Mas. — A. nigra , cinerascenti-pilosa, tibiis tarsisque posticis fulvis ; abdomwe mit'id 0 ’ 
segmentorum marginibus testaceis. 
Black; the head, thorax and legs with long thin cinereous pubescence; the flagelhun o 
the antenn* fulvous beneath ; the mandibles ferruginous at their apex. Thoi’ax ; the wmg s 
hyaline and iridescent ; the nervures and stigma rufo-testaceous ; the legs dark rufo -pic eons 
the posterior tibi* and tarsi fulvous, and clothed with silvery pubescence. Abdomen oblong > 
ovate ; the apical margins of the segments testaceous, and with a thin fringe of whitish p u 
cence ; the apex fulvo-testaceous. Male, length 4 lines. 
Sab. — Dras, Kargil, and Leh, all in Ladak ; August to September. 
This is a genus the geographical distribution of which is very extensive ; the species 
found in all parts of Europe, ranging north into Lapland. Numerous species have been loun 
1 This name is misprinted floricula on the plate. 
4 
