Metaphycus helvolus

Parasitoid of Soft Scales

In Major Groups of Natural Enemies: Parasitoids, Part IV  (Vol. IV, No. 7)

Metaphycus helvolus, Parasitoid of Soft Scales  (Vol. VI, No. 4)

In Biological Control in a College Greenhouse  (Vol. III, No. 9)

In Biological Control in the Great Indoors: At the Mall of America  (Vol. II, No. 12)


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