1985] 
Wheeler & Wheeler — Larva of Dinoponera 
391 
occipital border. Anterior surface of labrum with short rows of 
minute spinules ventrally, ventral surface with about 6 sensilla. 
Opening of sericteries a small hole on ventral surface of labium. 
Second instar larva. Fig. 3. Length (through spiracles) about 
7.3 mm. Similar to third instar larva except as follows. Only 8 
tubercles on AVII and 6 on AIX; tubercles with center cone-shaped. 
Cranium with occipital surface flat for half its width. Labrum feebly 
bilobed; posterior surface with minute spinules. Labium with ven- 
tral border trilobed; palp a low knob. 
First instar larva. Fig. 4. Length (through spiracles) about 
3.3 mm. Similar to third instar larva except as follows. Tubercles 
reduced to 6 each on AVII and AVIII and 2 each on AI and AX; 
tubercles surmounted by a sharp-pointed cone. Integumentary 
spinules minute. Cranium 1 1/3 times as broad as long; occipital 
border concave, with a prominent sclerotized horn on each occipital 
angle. Labial palp a slight elevation. 
Egg. Fig. 5. 2.16 by 0.5 mm, ellipsoidal, straight-sided. 
Material studied: 8 larvae and 2 eggs from Brazil, courtesy of Dr. 
William Overal. 
LITERATURE CITED 
Emery, C. 1911. Genera Insectorum, Fam. Formicidae, Subfam. Ponerinae. 
Fasc. 118, 125 p., 5 pi. 
Kempf, W. W. 1971 . A preliminary review of the ponerine ant genus Dinoponera 
Roger. Studia Entomol. 14: 369-394. 
Mann, W. M. 1916. The Stanford Expedition to Brazil 191 1, John C. Branner, 
Director. The ants of Brazil. Bull. Mus. Comp. Zool., Harvard Coll. 60: 
399-490, 7 pi. 
Wheeler, G. C. and Jeanette Wheeler. 1952. The ant larvae of the subfamily 
Ponerinae. Amer. Midland Nat. 48: 111-114, 604-672. 
Zahl, P. A. 1939. To the Lost World. Alfred A. Knopf, New York. 268 p. 
Zahl, P. A. 1959. Giant insects of the Amazon. National Geog. Mag. (May) 115: 
632-669. 
