476 PW. 
thirty-six hours. 
. CLAASSEN 
When the larva is ready to pupate, the larval head 
splits along the epicranial suture and the skin breaks open on the median 
dorsal line, along the first two thoracic segments, extending also about 
three-fourths of the way across the third thoracic segment. 
the skin slips off backward until the newly formed pupa is free. 
Gradually 
The 
pupa is at first entirely white except the cremaster, which is dark brown. 
TABLE 5. Lrenetu or Pupat PERIoD oF ARZAMA OBLIQUA 
: Date Date ae 
Specimen of of Sex 0 ae 
: stage 
pupation emergence (days) 
i ise ek a ireee Caen py BARN eA cu bees aap February 21 | March 11 | Female 18 
Da ee bri aee ee cep seein ae Re en eot ence ayaa March 4 | March 22 Male 18 
PB i eae ls ean aa ee Ae ace a TN ee March 10 | March 29 | Female 19 
Avr deel auntie ae hsaa prem ACH pees rinwetee gees March 21 April 7 Male ies 
aaNet nein lun atten Sen Crate aa March 25 April 11 | Female 17 
(Cake eRe eta Ore Reno aia erie ng etal March 25 April 12 | Female 18 
fea Tene Neg Ay aI ARNT Og Wea Sige eel a el ale March 25 April 11 | Female 17 
SYRUP Mba ene NG iNet tg e ere cen ai March 26 April 12 } Female 17 
LOE ae eG AN eile heat crs Ree ec tae aE March 28 April 14 | Female 17 
Oe pe ae ae eh Fee ces ee Ae It March 29 April 14 Male Gy 
Average length of pupal stage... s.|e 065 onl ees le onion ee eee 17.6 
TABLE 6. MerasuREMENTS OF Pupar oF ARZAMA OBLIQUA* 
Females Males 
Specimen 
Length Width Length Width 
(millimeters) | (millimeters) | (millimeters) | (millimeters) . 
fs es Bae coe cae ee pes we eg SER 0 7.0 29.0 7.0 
YEP cod epee No Va e hs Rar rte 35.0 8.5 28.5 6.5 
Pais Art Aire ark cs ee Ral ety 31.5 6.5 28.0 6.5 
LUT ie ie Then msi oa a Fait 30.5 Ae enna i oo wabala ce 
Sia AaVe is find ae AHR oat Te a 31.5 6:80 3) See eee 
Oe eae enn ao ee OY) 505) 8.10. ea ee eee 
TEER ARE Wl SC URSe Rae suet oa 33.0 (en amie meee ere CLS. 5 ws oo Re a = 
AV ELA SOR 25. Sones ee 32.85 7225 28.5 6.7 
*The measurements of the pupae of Arzama obliqua were taken as follows: length, from the anterior end 
to the tip of the cremaster; width, the greatest lateral width of the pupa. 
