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: 
1899] FLOWERS AND INSECTS 3 
Andrena nasuta visits Anchusa officinalis. 
cineraria = Salix. 
lapponica ss Vaccinium. 
cettii ee _ Scabiosa ( Knautia). 
hattorfiana 4 Scabiosa 
orea 2: Bryonia 
alpina ' Campanula. 
curvungula ° Campanula. 
austriaca ip Umbellifere. 
lucens " Umbelliferz. 
Andrena florea visits exclusively Bryonia dioica. 
hattorfiana “ “ Scabiosa (Knautia) arvensis. 
cettil . " Scabiosa (Knautia) arvensis. 
" " Anchusa officinalis. 
Bombus gerstaeckeri “ . Aconitum lycoctonum. 
Cilissa melanura almost Lythrum Salicaria. 
Macropis labiata f . Lysimachia vulgaris. 
Osmia adunca As Echium. 
cementaria -. ‘ “ Echium. 
.Andrena florea, mentioned in the three lists, collects pollen 
of bryony and has been found on no other flowers. 
Andrena hattorfiana: both sexes visit Scabiosa arvensis, the 
female collecting pollen. Miller found a female on Dianthus 
carthustanorum and a male on Jastone montana. 
Halictoides dentiventris: Miller captured both sexes on Cam- 
panula rotundifolia and trachelium, but not collecting pollen. He 
Says that at St. Petersburg Morawitz found it only on Campanula. 
In the Alps, Miller observed this species collecting pollen of 
P otentilla grandiflora and Hypocheris uniflora and visiting seven 
other flowers. i 
Cilissa melanura collects pollen of Lythrum Salicaria, the males 
sucking. Miiller saw the female sucking on flowers of Leontodon 
hirtus. : 
Macropis labiata: males and females visit Lysimachia vulgaris, 
the females collecting pollen. Males suck on Gnanthe fistulosa, 
Rhamnus Jrangula, Rubus fruticosus. . 
Osmia adunca: Miller saw both sexes on Echium vulgare 
and says it feeds its young exclusively on honey and pollen of 
