P. ESBEN-PETERSEN, NEUROPTERA AND MECOPTERA. 



11 



Acanthoplectron tenellum n. sp. (pl. 1, fig. 4). — Face 

 and palpi yellowish brown; labrum yellowish. Vertex some- 

 what raised. Above the antennae, which are löst, a blackish 

 brown transverse band, which also occupies the area between 

 the antennae. Upper and hind part of vertex blackish brown. 

 Prothorax quadratic; front angles hardly rounded; greyish 

 brown with an oblique yellowish streak at each side, reaching 

 from the front angle to the hind margin. Meso- and meta- 

 thorax brownish black with in- 

 distinct påle spöts and yellow- 

 ish hind margin. Abdomen 

 brownish black with yellowish 

 pleurae and påle narrow hind 

 margins of the segments dor- 

 sally. Thorax with long whitish, 

 and abdomen with short whit- 

 ish hairs. Femora brown; ti- 

 biae yellowish with brown apex, 

 and with a brown spöt about 

 in the middle of the före and 

 the intermediate ones; hind ti- 

 biae without spöt, but with a 

 brown streak along the under- 

 side. First tarsal joint ^^ellow- 

 ish; fifth yellowish w^ith black- 

 ish brown apex. Claws and spurs brownish. Legs whitish 

 haired. Nervature of wings blackish with whitish interrup- 

 tions. Pterostigma small and yellowish. Length of forewing 

 20 mm; that of hindwing 19 mm. 



One female specimen from Kimberley district, N. W. 

 Australia, November. 



Fig. 4. Acanthoplectron tenellum. 



a före tarsus ; & hind tarsus ; 



c labial palpi. 



2. Creagrini. 



Protoplectron pallidum Banks, Ann. Ent. Soc. Amer., 

 p. 41, 1910. — Queensland: 1 specimen, Cooktown, September; 

 1 specimen, Cape York, August. N. W. Australia: 4 speci- 

 mens, Kimberley district, February. 



Protoplectron gerstaeckeri n. sp. (pl. 1, fig. 6). -- Face 

 yellowish. Tip of mandibles blackish. Apical joint of palpi 



