Hartman, Carl G. <br/><br/>
Note on the habits of Osmia georgica cresson as ascertained by the glass  :tube method 

<br/><br/> Sobretiro de: Psyche 51(3-4):162-165. 1944 
<br/><br/><label>LCCN: </label>74298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abejas--Hábitos y conducta.<br/>Osmia.