The leptoconops kerteszi complex in North America   diptera    ceratopogonidae 

 - Washinagton  United States department of agriculture  1978 
 - 58p.  26cm 
 - Technical bulletin number 1573 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>INSECTS<br/>ANIMALS<br/>ARTHROPODA
<br/><br/><label>Dewey Class. No.: </label>595.77097  / LEP