140 Christmas Island. 



PLANIPENNIA. 



Family MYRMELEONID^. 



4. Formicaleo morpheus, sp.n. (PI. XIV, Fig. 3.) 



Exp. al. 55-60 mm. ; long. corp. 25-29 mm. 



Male and Female. — Dark brown, varied with testaceous ; antennae 

 ringed with black and testaceous, much thickened before the tip 

 in the male ; face testaceous, the tips of the mandibles, a narrow 

 transverse band below the antennce, and a broad band above 

 black, the latter indented in the middle beneath. Above this 

 is a testaceous stripe, followed by a black one, and then by 

 two lateral ones, curving backwards in the middle ; the vertex 

 is black, with two short longitudinal testaceous lines, with 

 a testaceous spot between in front, and three large testaceous 

 spots behind, followed, on the occiput, by two lateral testaceous 

 spots and a central line. Thorax black, pro- and mesothorax 

 with a testaceous middle line, and a broader longitudinal stripe 

 on each side ; metathorax with a Y-shaped testaceous mark on the 

 sutures, and the base and extremity of the front lobe also marked 

 with testaceous. Abdomen black, with about two longitudinal 

 spots on the back of each segment, and two oval ones on the 

 sides of several segments at least. Legs testaceous, front femora 

 thickened, striped longitudinally with black ; front tibiae with 

 two black rings, hinder ones with indications of the same; joints 

 of the tarsi ringed with black ; all the legs set with very long, 

 fine bristles. Wings rather long, moderately pointed, most of 

 the nervures varied alternately with fuscous and yellowish; 

 pterostigma yellowish ; wings towards the extremity with about 

 four irregular rows of blackish stippling, most distinct on the 

 fore wings, and the innermost row largest. 



Four specimens : Flying Fish Cove (900 feet), August and 

 November, 1897; East Coast, September 2, 1897; near water, in 

 forest. 



Allied to Myrmeleon mso»i7iis, "VVlk., from an unknown locality, 

 but differently marked. The specimens are not in first-rate con- 

 dition, but it is hoped that the description will be sufficient for 

 identification, 



5. Myrmeleon iridescens, sp.n. (PI. XIV, Fig. 4.) 



Long. corp. 25 mm. ; exp. al. 59 mm. 



Female black, head with the lower mouth-parts testaceous, a 

 short testaceous line below the base of each antenna, two 

 testaceous dots on the middle of the vertex, and the upper and 

 hinder orbits very narrowly testaceous. Thorax narrowly bordered 

 in front, at the sides, and behind with testaceous ; base of the 



