370 
Life-history of Melittobia acasta 
EXPLANATION OF PLATE XXVI. 
Fig. 1. Melittobia acasta <$. Dorsal view. sp. = spiracle of first abdominal segment. cx3=base 
of coxa of third pair of legs attached at posterior end of the pleural suture, the epimeron 
not being separated by a suture from the first abdominal segment, a and b = dorsal and 
ventral views of antenna. 
Fig. 2. Melittobia acasta $. Dorsal view. 
Fig. 3. Third stage larva—ventral view of head showing mouth (ra.); head skeleton ( t .); mandibles 
(ra.), retracted within mouth but capable of being protruded, and salivary ducts ( sd .). 
Ant. = antennae. 
Fig. 4. Third stage larva; mandible (ventral view). 
Fig. 5. Egg. Two eggs which produced females and two which produced males. 
Fig. 6. First stage larva; lateral view. 
Fig. 7. Second stage larva; lateral view. 
Fig. 8. The female feeding upon its host. Diagrammatic figures made from sketches showing 
the insect placing the ovipositor in position, (a): drawing in the ovipositor, (b): licking the 
puncture (c). 
Fig. 9. Glass cells used in breeding Melittobia. C. = plugs of cotton-wool. The tube is held down 
to a piece of cardboard by wires. 
