Swarming hordes, the. 

 - British Broadcasting Corporation,,  1981. 
 - Videocassette (VHS)(54 min.) : sd., col., 1/2 in. 
<br/><br/> The specialized functions of many insect species are detailed in this programme in the "Life On Earth" series. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects--Evolution.<br/>Evolution.<br/>Life--Origin.