2 SECOND YAEKAND MISSION. 



it has been found in New Zealand. In the New World it appears to be most plentiful in the 

 United States, Mexico and California ; but 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, Tig. 5. 



Femina. L. capite tlioraceque nigris, abdomine chalybeo, alls fusco-liyalinis. 



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. Female, 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. ANDRENA FAMILIARIS, Fig. 3. 



Mas. A. atra, pallide villosa, abdominis segmentis tribus basalibus pallide ritfo- 

 marginatis. 



Black; the face and cheeks with a pale fulvous pubescence; the flagellum of the 

 antennae f usco-ferruginous beneath ; the thorax has a similar pubescence ; the coxae and 

 femora rufo-piceous ; the tibiae 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 

 4| lines. 



Hab. Neighbourhood of Yarkand. Taken in May. 



4. ANDRENA FLORIDTJLA, * Fig. 4. 



Mas. A. nigra, cinerascenti-pilosa, tibiis tarsisque posticis fulvis ; abdomine nitido, 

 segmentorum marginibus testaceis. 



Black ; the head, thorax and legs with long thin cinereous pubescence ; the flagellum of 

 the antennse fulvous beneath ; the mandibles ferruginous at their apex. Thorax ; the wings 

 hyaline and iridescent ; the nervures and stigma rufo-testaceous ; the legs dark rufo-piceous 

 the posterior tibiae 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 pubes- 

 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 are 

 found in all parts of Europe, ranging north into Lapland. Numerous species have been found in 



1 This name is misprinted Jloricula on the plate. 



