20 MECOPTERA AND PLANIPENNIA 
Myrmeleon dirus Walker, 1. c. p. 346, n°. 74 (1853). Ceylon. 
= lentus Walker, 1. c. p. 346, n°. 75 (1853). East Indies. 
Fs desperatus Walker, 1. c. p. 359, n°. 98 (1853). New Holland. 
pi perniciosus Walker, 1.’ c. p. 360, n°. 99 (1853). P 
pn malefidus Walker, 1.c. p. 364, n°. 108 (1853). v. Diemensland, N, Holl. 
ra acutus Walker, 1. c. p. 377, n°. 184 (1853). New Zealand. 
és Pinsomnis Walker, }. c. p. 385, n°. 147 (1853). P 
Formicaleo morpheus Kirby, Monogr. Christmas Isl. p. 140,t. 14, f. 3 (1900). 
Christmas Island. 
P Formicaleo longicornis Brauer, Novara Exp. Zool. II, Neur. p. 42 (1865). 
Sambelong, Nicobars. 
Antennae black, narrowly annulated with yellow. Apex 
only a little enlarged. 
Head as broad as the mesothorax, the underside, mouth- 
parts and labrum yellow. Tips of mandibles black. A 
Fig. 9. 
Formicaleo audax (Walk.). 
Head and prothorax of /, upperside. 
black stripe be- 
tween and two 
black triangles 
above the anten- 
nae, Vertex lu- 
teous, with two 
rows of black 
markings (fig. 9), 
which are often 
somewhatcovered 
by a grey exu- 
dation. Occiput 
brown. Prothorax 
brown with three 
luteousstripes,the 
median one very 
fine and narrow, 
the lateral ones 
irregular. Meso- 
and metathorax 
brown, with irre- 
gular yellow spots. Breast luteous, brown at the sides, 
covered all over with a grey exudation and with short 
white hairs. 
Notes from the Leyden Museum, Vol. XXXI. 
