PHRYGANEID^. 



617 



\ 



Fis. OUT. 



tj^pus armatus) attacks the fully grown larva of a Pluyganea 

 (Aspatherium), which inhabits a smooth cjlinclrical case, 

 which the Ichneumon converts into a pupa case by spinning 

 a long broad band of silk around the anterior opening. (Ger- 

 staecker.) 



In Neuronia and Phryganea the maxillary palpi differ in the 

 two sexes, and there are two spurs on each of the fore legs, 

 and four on the middle and hind legs. The maxil- 

 lary palpi in the males are four-jointed, in the females 

 five-jointed, and there are three ocelli. Neuronia 

 differs from Pln-yganea in having its 

 nutenme a little shorter than the wings, 

 .vhereas in the latter the}- are longer. 

 Mid the fore wings are hairy. Neu- 

 ronia semifasciata Say is fulvous, with 

 the fore wings transversely flecked with 

 brownish-blacK, a small basal spot, and an abrupt, 

 median streak at the hinder margin of the wing, while 

 the disk has two j-ellowish spots, and there is a short 

 fuscous subapical band on the hind wings. Fig. GOG Fig. 606. 

 represents the case of the European Phryganea gravdis Linn. 

 In tlie group Limnophilides the maxillary palpi of the males 

 are three, those of the fe- 

 males five-jointed ; ocelli 

 tln-ee ; anterior wings rather 

 narrow, the apex obliquely 

 truncated or rounded. In 

 Limno2)hihis the tibial spurs of the three pairs 

 of legs are arranged thus, 1, 3, 4 {i.e., one 

 s[)ur on the front pair of tibiae ; 

 three on the middle, and four 

 on the hinder pair), and the 

 apex of the anterior wings is 

 truncated. L. 2m-pusillus 

 AValker is a boreal species, oc- 

 curring at Hudson's Bay. Limnophilufi rhom- 

 bicus Linn. (Fig. 607, case made of bits of moss) ^*^- ^^*'- 

 is an ochreous species, Avith Inteous hairs. Fig. 608, a, case, 

 represents a case-worm which we have found in great abund- 



Fiff. GOi». 



FiL^ (;08. 



