856 
PARELODINA; MEGTSBA. By H. Fruhstorfer. 
with black, proximal margin grey, the middle of the wing of a bright blue. Marginal scales white. Under surface 
unicolorously silvery white, only the ends of the veins black. $ above dark blue, fore- and hindwing broadly 
margined with black; marginal scales white, in the hindwing at the ends of the veins spotted black. North 
Queensland (Cairns-District). 
harterti. C. harterti Gr.-Sm. (145 h). $ above blackish-brown, forewing on the distal half of the proximal 
margin with a large white spot extending from the cell- end to the proximal margin, the distal part of the costal 
margin in the hindwing as far as the posterior cell-end likewise coloured white. Under surface white, at the 
margins of the wings tinted pale brownish, unmarked, only the forewing on the posterior half with a black, 
interrupted marginal line. German New Guinea (Humboldt Bay). 
subhdea. C. sublutea B.-Bak. <$ above dark brown, basal half of the forewing of a greenish to purple-blue 
iridescence, hindwing with indicated similar scales at the posterior margin of the cell and a row of similar 
marginal spots. Under surface of both wings unicolorously dull chrome-yellow, unmarked, only with a row' 
of small, blackish submarginal spots exhibiting a silvery lustre. British New Guinea (Owgarra). 
owgarra. C. owgarra B.-Bak. 3 above yellowish-white, forewing with a small black basal spot, costal margin 
black, the whole apical part at the cell-end as far as vein 2 broadly black; hindwing with a black diffuse spot 
along the vein 1. Under surface white, unmarked, the black colouring of the forewing showing through from 
above. British New Guinea (Owgarra). 
albosericea. C. albosericea Misk. 3 above silvery white, forewing at the base slightly scaled bluish-grey, at the 
apex narrowly bordered with black. $ above bluish-white, at the base of a more distinct blue, forewing with 
a broad black border growing narrower towards the anal angle, the broadest at the apex where it occupies the 
last third of the costal margin; border in the hindwing darkened, the most distincly so at the ends of the veins. 
Beneath in the <$ and $ unicolorously olive-brown, without any marking. Rockhampton. 
blaclcbumi. C. blackburni Tuely. 3 above deep blackish-brown with a bright purple-blue lustre, under surface 
green like in Callophrys rubi *), the whitish marginal scales unspotted. $ above in the forewing purple-blue, 
costal and distal margins verj 7 broad black, hindwing black with an extensive blue spot not reaching the proximal 
margin on the posterior half of the wing. Sandwich Islands (Oahu). 
8. Genus: Parelocllna B.-Bak. 
Allied to Candalides Hbn. Eyes hairy. Palpi rising, 2nd joint long with a thick hairing being border-like 
below, terminal joint moderately long, turned downward. Venation similar as in Candalides Hbn., bst the 
long pedicle of vein 7 and 8 in the forewing distinctly rising before the cell-end, 11 going upward in a sharp 
bow and touching 12. The only species known is remarkably similar to the Elodina- species. 
aroa. P. aroa B.-Bak. above white, the extreme base of both wings black, strewn with blue scales; 
apex of the forewing very broad black, from the middle of the costal margin as far as below vein 2 at the border, 
costal margin likewise black. Under surface quite white, the black colouring showing through from above, 
only the hindwing in the cell with an orange-brownish spot of hair-like scales. British New Guinea (Aroa River). 
mbna. — mima J. & T. (154 g) greatly resembles aroa; in the habitus somewhat smaller and with a narrower black 
border. Arfak Mountains (Dutch New Guinea). 
9. Genus: Megisba Moore. 
Megisba is one of those ,,genera“ that were established in great numbers in the eighties of the last 
century. It is like so many of its congeners monotypical and, moreover, possesses not one single characteristic 
of ifs own. The eyes are bare, and in the venation Megisba closely approaches Nacaduba; the marking beneath, 
however, harmonizes best with that of Lycaenopsis. Also anatomically its only species, malaya, is so closely 
allied to Lycaenopsis ceyx Nic. and L. plauta Nic. that a separation of the two ,,genera“ cannot, be thought of. 
Only the oedeagus differs by its plain, cylindrical shape from the pistol-shaped formations of the Lycaenopsis; 
but the structure of this organ varies within the genus **), also in the Tarucus, Castalius to such an extent 
that its shape is of no account, although Chapman in his former works was of a contrary opinion. From all 
that has been said we may, however, infer, that Megisba does not represent a genus, but much rather a transition 
from the Lycaenopsis to the Nacaduba. This systematic affinity was also correctly conceived by Bingham 
and Swhnhoe, the former inserting it before the Lycaenopsis, the latter after them. Both, however, follow 
Niceville and range it most closely near Pithecops, which, however, is not to be recommended owing to anato¬ 
mical reasons, because the sexual organs of the Pithecops are quite differently shaped from those of Megisba 
*) Comp. Vol. II, t. 72 e. 
**) Comp. Fruhstorfer, Monographical revision of the Nacaduba, Mededeel. Leiden Mus. 11 Aflev. 2, 1916, t. 15 
and V. 
