Gall Content and Fate Key – Page 7

7 Larva drop-shaped; distinct, white head capsule with darkened mandibles, brown spirals apparent under microscope; highly variable in size (2-5 mm); gall chamber frequently contains brown frass
(see figures a & b below)
Eurytoma gigantea

7a Larva oviod; no distinct head capsule; mandibles modified to anteriorly directed mouth hooks; general appearance of a maggot; gall chamber lined with tightly pressed grey frass
(see figures c & d below)
Eurosta solidaginis

Figure A
Figure B
Figure C
Figure D

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