1939] 
Metamorphoses of Cuban Hesperiinae 
153 
to 13 mm. Design as in previous instar but more pronounced. 
Faint indication of a white substigmatal line. 
Fourth Instar. 
Head height 1.6 mm. ; head width 1.5 mm. Head as in 
Fig. 6. Body length 15 mm. Similar to previous instar. 
Eggs laid May 11 to 13 emerged May 15 and 16 three to 
five days having elapsed. The first instar consumed from 
four to eight days with moults May 19 and 23. The second 
instar required five days with moults May 28. The third in- 
star was of four days’ duration. 
Prenes nyetelius coscinia (Herrich-Schaffer) 
Second Instar. 
Head height 1.6 mm. ; head width 1.5 mm. Head with 
raised reticulations and the characteristic design seen in all 
the following instars (cf. Fig. 8). Body green covered with 
minute brown hairs. 
Third Instar. 
Head height 2.1 mm. ; head width 2.0 mm. Roughly punc- 
tate, otherwise similar to previous instar. Body length 12 
mm. Body covered with many short black hairs. First four 
segments Sorrento Green. Remainder of body Opaline 
Green. Stigmatal line Opaline Green. 
Fourth Instar. 
Head height 2.6 mm. ; head width 2.5 mm. Similar to pre- 
vious instar. Body length 18 to 20 mm. Same as above. 
Fifth Instar . 
Head height 3.2 mm. ; head width 3.0 mm. Head roughly 
punctate. Design as in Fig. 8. Dark areas fuscous; light 
areas Reed Yellow. Body length 25 to 28 mm. Body Water 
Green. 
Chrysalis. 
Length 21 mm. Covered with short brown hairs except 
on head and dorsal areas where the hairs are considerably 
longer, those on head being the longest. Tongue case reaches 
only to sixth abdominal segment. It is free only at the last 
