Andrenidae 1025 



Triepeolus Robertson 

 T. donatus (Sm). LI: Huntington, Sep 16 (Schott). 



Halictus Latreille 



(These are gregarious mining bees which excavate their nests in bare level ground 

 or in vertical banks, such as old gravel pits. Several bees of some species build 

 their cells opening from a common gallery, the entrance to which is guarded by a 

 bee whose head is used as a portal.) 



(Subgenus HALICTUS Latreille) 

 H. inconspicuus Sm. SI, Jl-Aug, Ds (Ashm). 



H. lerouxii Lep. Ithaca, May-Aug (Rich-CU) ; Scotia, Je (NYS). On gooseberry. 

 H. similis Sm. Ithaca, May (Rich-CU). 

 H. zonulus Sm. Ithaca, Je (Rich-CU). 



(Subgenus Odontalictus Robertson) 



H. ligatus Say. Ithaca, Aug (Rich-CU) ; McLean, Sib (Bdy-CU) ; SI, Aug, Ds 

 (Ashm). On goldenrod. 



(Subgenus Agapostemon Guerin) 



H. radiatus Say. Ithaca, Je (Cress-CU) ; McLean, Aug 27 (Roh-CU) ; Garrison 



Cattell (Ckll). On goldenrod, New Jersey tea, etc. 

 H. virescens (Fab.). Mooers, Sep 11, Not (Lutz) ; Ithaca, Je (Rich-CU) ; McLean. 



Sep 24 (Roh-CU). 



(Subgenus OXYSTOGLOSSA Smith) 



H. confusus Smith. Ithaca, Je-Jl (Rich-CU); McLean, Aug 19-31 (Roh-CU) 



Garrison, Cattell (Ckll). 

 H. purus Say. Ithaca, Jl (Rich-CU); McLean, Sep 16 (Roh-CU). 



(Subgenus Lasioglossum Curtis) 

 ''H. fuscipennis Sm. SI, Je IS, Ds (Ashm). 



(Subgenus Chloralictus Robertson) 

 H. cattellae Ellis. Garrison, Cattell (type, Ckll). 

 H. hortensis Lovell. McLean, Aug 1-Sep 24, SRohinson, Sib (Roh-CU) ; Garri-S',i- 



Cattell (Ellis). 

 H. laevissimus Sm. SI: Prince's Bay Sta., Ds (Ashm). 

 H. subconnexus ElHs. Niagara, Je (Ckll); Garrison, Cattell (ElHs). 

 H. zephyrus Sm. Garrison (Ellis-CU). On fruit flowers. 



(Subgenus CURTISAPIS Robertson) 

 H. coriaceus Sm. Ithaca, Je-Jl (Rich-CU) ; SI, Ap 30, Ds (Ashm). 

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