<div class="description">
<dl><dd>Caption title</dd>
<dd>"December, 1933."</dd>
<dd>Includes bibliographical references</dd></dl><br>Subjects: Hessian flies; Host-parasite relationships; Parasitic insects; parasitoids; biological control agents; host-parasite relationships; natural enemies; grain crops; insect pests; plant pests; Diptera; bio-control agfents; grain pests</div>
<div class="fn value">
Gahan, A. B. (Arthur Burton), 1880-</div>
Internet Archive identifier