of new species of TenthredinidcB , ^~c. 379 



taceous. ^ Abdomen : the second segment reddish-yellow 

 above, slightly interrupted in the middle. 



Male. — 'This differs in having the base of the antennse, 

 to nearly the apex of the third joint, black ; it has also the 

 second and third segments of the abdomen yellow, and 

 slightly interrupted. 



Hah. — North Japan. 



5. Macropliya ferox. 



Female. — Length 5^ lines. Black, with the four basal 

 segments of the abdomen yellow. Head : antennae orange- 

 yellow ; the clypeus anteriorly, the labrum, mandibles and 

 jialpi, white ; the scape of the antennaj black in front. 

 Thorax : the posterior margin of the prothorax laterally, 

 the tegulje, scutellum and posterior margin of the meta- 

 thorax narroAvly reddish-yellow; a minute spot on each 

 side of the post-scutellum Avhite ; the anterior and inter- 

 mediate legs reddish-yellow ; the posterior tarsi, and rather 

 more than the basal half of the posterior tibise of the same 

 colour ; the apex of the posterior coxjb and the trochanters 

 whitish ; wings hyaline and iridescent, faintly tinged with 

 yellow, the nervures fuscous, the costal nervure and the 

 stigma reddish-yellow. 



Hab. — Hakodadi. 



6. Macropliya ignava. 



Female. — Length 4 lines. Black ; the head, legs and 

 thorax with white markings. Head : the clypeus, labrum 

 and mandibles white. Thorax : the margins of the pro- 

 thorax, a spot on the tegulse in front and two minute spots 

 behind the scutellum, white; the apex of all the coxae, the 

 trochanters, and extreme base of the femora, and all the 

 tibite, white; the extreme apex of the intermediate and 

 posterior pairs black. The head and thorax are thinly 

 covered with pale down, and the abdomen has a silky pile, 

 only observable in certain lights. 



Hah. — Hiogo. 



This species closely resembles the Allantus alhicinctus, 

 of King, but in four examples not a trace of the white 

 narrow fascia on the basal segment is to be seen, or of the 

 white tip of the abdomen. 



c c 2 



