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Annals Entomological Society of America [Vol. VIII, 
EXPLANATION OF PLATES. 
PLATE XII. 
Flower stage of Juniperus virginiana showing the upright ovules. 
Flower stage more advanced showing thickening of the scales. 
Flower stage still further advanced; scales beginning to grow over the 
ovules. 
A young deformed berry; (a) Top of an ovule not covered by the scales, 
to be the opening by which the mites pass back and forth; (b) The 
normal ovule nearly covered by the scales. 
Longitudinal section of a young deformed berry showing the early work 
of the mites. 
Mature deformed berry; (a) Opening by which the mites pass back and 
forth. 
Egg of Eurytoma juniperinus containing embryo. 
Breast bone of the Cecidomyid larva. 
PLATE XIII. 
Female of Eurytoma juniperinus, (enlarged and modified from a drawing 
of E. tylodermatis, after U. S. Dept. of Agriculture). 
Stigmal club of EF. juniperinus. 
Abdomen of E. juniperinus. 
Wing of Rhagoletis juniperinus. 
Antenna of R. juniperinus. 
Side view of head of R. juniperinus. 
Head of R. juniperinus from in front. 
PLATE XIV. 
Larva of E. juntperinus. 
Head of larva of E. juniperinus, from in front. 
Mandible of E. juniperinus. 
Trachael system of larva of E. juniperinus. 
Pupa of E. juniperinus. 
Larva of Geniocerus junipert. 
Mouth parts of G. juniperi seen under high power. 
Pupa of G. junipert. 
PLATE XV. 
Adult male parasite of A. alternatella. Fam. Encyrtide. 
Antenna of same. 
Stigmal club of same. 
Stigmal club of parasite A. alternatella. Secodella sp. 
Antenna of Secodella sp. 
Larva of same. 
Head from in front of larva of same. 
Male antenna of G. junipert. 
Larva of Gentocerus marcovitchi. 
Pupa of G. marcovitcht. 
Undetermined larva sometimes found in the berries of J. virginiana. 
Mouth parts of same. 
Egg of G. marcovitch. 
Egg of G. junipert. 
Mandible of G. juntpert. 
