XXXU, '21] ENTOMOLOGICAL NEWS 89 



be the only coccinellid larvae observed by him to have the 

 mandibles produced at the apex into rive teeth. The retinacu- 

 lum of the mandibles (in I's\llobora) is also produced into 

 five teeth. Is it possible that this is an adaptation to assist 

 the larvae to grasp the tissues of the fungus host, the simple 

 type of mandible sufficing for those species which grasp their 

 animal prey? The phytophagous Epilachna larvae have no 

 distinguishable retinaculum (Boving) but have the mandibular 

 apex produced into several teeth. 



A New Species of Melitaea from Montana 

 (Lepid., Rhop.). 



By HENRY SKINNER. 



Melitaea glacialis n. sp. 



9 Palpi ferruginous, annulated black and white above, ferruginous 

 below. Thorax and abdomen above black. Pectus below with long 

 white hairs ; legs ferruginous. 



Primaries above: Base black; in the cell are four spots, the inner 

 one white, small, linear and V-shaped ; next one is quadrate and fer- 

 ruginous, then a small white one, and an outer ferruginous spot. 

 Beyond the cell are three small white dots, and beyond these a medial 

 line of white spots, extending across the wing. Crossing the wing is a 

 ferruginous fascia, 5 mm. wide. Secondaries above : The markings are 

 quite similar to those of the primaries. 



Underside with the markings nearly repeated. The secondaries 

 below have the ferruginous fascia, a medial yellow fascia, a ferru- 

 ginous inner half, with four yellow spots, two near the centre and one 

 near the costa, the latter divided by the nervures into three parts. 

 Expanse (one wing) 24 mm. 



One specimen, taken at Two Medicine Lake, < ilacier National 

 Park, Montana, July 15, 1920, by Miss Annette' F. I'.raun, to 

 whom 1 am greatly indebted for permission to study the in- 

 teresting butterflies she captured in the Park. 7'y/v in the col- 

 lection of the Academy of Natural Sciences of Philadelphia. 



This is a remarkable insect and the wide ferruginous tascia 

 above and below distinguishes it from any species in the genus. 

 In Melitaea one always thinks of aberrations, but if this >peci- 

 men is an aberration I am at a loss to know the species at 

 present. Perhaps when we kno\v more of the butterfly launa 

 of the locality we can solve the problem. 



