BY KSBEN-fETKRSEX. 209 



One specimen from New South Wales (W. W. Froggatt leg.); 

 Coll. Froggatt. 



Tribe Myrmeleonlni. 

 Myrmeleon. 

 Linne, 8yst. Nat., xii., p. 913, 1767. 



MvRMELEON NIGROM ARGINATUS, n.sp. (Plate xi., flg.5). 



Bro\vnish-3'ellovv. Clypeus, labrum, genai and palpi brownish- 

 yellow; face below, between and above the antennae brownish- 

 black. Hind part of vertex yellowish, with a longitudinal, 

 median, black streak. Antennae brownish-black, the antenna) 

 insertions yellowish-margined. Prothorax almost as long as 

 broad, brownish-yellow, with rounded front angles, and with a 

 narrow, longitudinal, median, brownish-black streak; one-third 

 from front margin, a transverse furrow. Mesothorax broM'nish- 

 yellow; in front with a triangular, brownish black, median spot; 

 and, at each side, in front of the base of the forewings, a brown- 

 ish-black spot. Metathorax with a smaller spot at each side in 

 front of the base of the hindwings. Underside of thorax 

 brownish-yellow, with a few brownish-black spots. Abdomen 

 brownish-yellow, with a brown and rather broad, longitudinal, 

 median streak above, and with the apical half of each segment 

 I)ale brown below. Thorax and abdomen with rather long and 

 whitish hairs. Legs brownish-yellow. Fore-femora dorsally 

 with a dark brown spot at the tip; intermediate-femora with a 

 dark brown longitudinal streak in front; hind-femora with a 

 broad blackish band near the tip; hind-tibiae with a narrow 

 blackish streak ventrally. 'I'ip of tibiae and tarsal joints faintly 

 brownish-coloured. Wings with a yellowish tinge, and with a 

 yellowish nerv^ature, the margin of the wings, with the exception 

 of the basal fourth to one-third, dark brown to blackish. Ptero- 

 stigma in the forewing with a faintly greyish-yellow tinge: in 

 the hind wing, hardly indicated. 



Body, 35 mm.; forewing, 33 mm.; hindwing, 29 mm. 



One specimen from West x\ustralia ; 20/xii./02 (W. W. 

 Froggatt leg.); Coll. Froggatt. 



