1911] Notes on African Myrmeleonida 17 



Formicaleon harpalyce n. sp. 



Head yellow, a black mark under each antenna, a large interan- 

 tennal mark, mostly above the antennae, two bands across vertex made 

 up of spots, a median spot behind and one each side on occiput; antennas 

 yellowish, tip darker, basal joint with dark mark below; pronotum 

 broad, yellowish (or reddish), two black marks on front margin, a sub- 

 median pair of stripes behind, the posterior side margins broadly behind, 

 and a spot each side on the transverse furrow black; rest of thorax 

 pale, with black marks, mostly over base of wings, metascutellum with 

 a pale median line; abdomen shorter than wings, dull black; legs pale 

 reddish yellow, spurs curved, the first pair as long as four joints. 

 Wings hyaline venation pale, longitudinal veins not interrupted with 

 dark, or very faintly so, some crossveins, especially costals partly dark, 

 stigma yellowish (or reddish); hind wings with a long brown streak 

 from the anastomosis of cubitus and median outward toward tip of 

 wing. Wings slender, acute at tips, hind wings falcate at tip; about 8 

 crossveins before radial sector in forewings, 12 or 13 branches of radial 

 sector in both pairs. 



Expanse 70 to NO mm. 



From West Africa, Bismarcksburg, Togo. 



Formicaleon alcione n. sp. 



Face pale yellowish, black band below and above antenna', a trans- 

 verse frontal band on vertex, and spots more or less connected in a row 

 behind; antenna.' pale, annulate with brown, tip dark; pronotum broader 

 than long, dark, three ill-defined pale stripes, the median more narrow; 

 thorax pale, marked with dark, scutelli with a double dark spot; abdomen 

 shorter than wings, blackish, pale each side near tip; legs pale, femora 

 spotted with black, especially near the tip, tibia with bands above 

 near base and tip, tips of tarsi black; the tarsi short, last joint nearly 

 as long as other joints together, spurs as long as four joints. Wings 

 hyaline, venation black and white, not dotted, but in long streaks, a 

 spot at base of stigma, and two spots (smaller) beyond on the radius, 

 the outer gradates very irregularly, but plainly dark, and a faint dark 

 streak up from end of anal vein; hind wings with stigmal spot, and two 

 beyond dark, also one on the anastomosis of cubitus and median. Wings 

 very long and slender, acute at tips, hind wings falcate at tip, 7 or 8 

 crossveins before radial sector in forewings, 14 or 15 branches of radial 

 sector in both pairs. 



Expanse 75 mm. 



From Mohorovi, D. O. Afrika, and one marked "Key. 

 Frustorpher. " 



Formicaleon idoneus n. sp. 



Face pale, a large black interantennal mark, reaching below the 

 antenna? where it is deep and shining, paler above toward vertex, two 

 rows of transverse spots on the vertex, the hind row with a projection 

 each side behind; antenna; long, pale on base, and annulate with brown, 



