1984] 
Aiello — Genus Adelpha 
7 
than 5-instar individuals, however, larvae on Amaioua, regardless 
of number of instars, were slower to develop (41-48 days) than were 
larvae on Alibertia or Bertiera (32-44 days). 
Larvae 
Miles Moss reared twelve species of Adelpha from Par&, Brasil, 
and illustrated (1933) the final instar larva and the pupa for each of 
them. In spite of the lack of detail in his illustrations and 
descriptions, and the fact that his scheme for numbering body 
segments omits abdominal segment-9, his little paper remains the 
masterpiece on Adelpha immatures. It was Moss who realized (page 
15) that: 
. .systematists,. . .by a careful examination of certain hither- 
to unsuspected points of likeness or dissimilarity between the 
species in their early stages, may perhaps be led to modify the 
existing order and grouping of the butterflies of this difficult 
genus. It is just possible that a few unexpectedly close 
relationships may thus be established, while others at present 
confused, or regarded as near of kin, may be found to be more 
distantly related than was supposed.” 
He concluded that A. cytherea, and pseudococala are closely 
related, also delphicola and mesentina, and serpa and para'ena.. My 
analysis of published illustrations and live material lends support to 
Moss’s groupings and adds several more. 
FIRST INSTAR LARVAE 
First instar larvae, of all species which I have seen, appear 
identical in form, and are some shade of brown or grey. The head 
bears setae, but none of the 4 chalazae of later instars; pale bumps on 
the body are found where the future 4 scoli will be, and the body is 
covered with tiny pale spots each centered with a minute seta. After 
their first meal, larvae take on the green color of their foodplant, 
although the head remains brown. 
SECOND INSTAR LARVAE 
From the second instar on, the head is ornamented with chalazae 
which give it a spiny appearance. The face has numerous round, 
