497. 

 ACENTROPUS GARNONSII. 



Order Trichoptera. Fam. Phryganida?. 



Type of the Gemis, Acentropus Garnonsii Curt. 

 AcENTROPUs Curt. 



AntenncE inserted on the crown of the head close to the eyes, 

 not so long as the body, slightly setaceous, pubescent, being 

 clothed with very short hairs ; joints numerous obovate, the 

 basal one subglobose (1, a portion of the apex). 

 Lnbnnn rather elongated and tongue -shaped. 

 Maxillary Palpi (in the male at least) large, drooping, triarticu- 

 late ?, and densely clothed with scaly hairs (5). 

 Labial Palpi none. 

 Head subglobose, hollow beneath : eyes lateral globose, minutely reti- 

 culated. Ocelli 2, placed behind the antennae. (P the head in profile, 

 Y front vieiv and U underside of the same). Tliorax somewhat oval. 

 Abdomen attenuated, terminated by a curved horny lobe and 2 hairy 

 ones on each side in the male (A, apical portion in profile). Wings, 

 superior suhlanceolate, with a long cell and several nervures issuing 

 from it and extending to the jjosterior margin ; inferior ovate, with 

 similar nervures ; cilia formed of long and short scales, dilated and 

 lanceolate at the apex (9). Thighs rather short : tibipe simple not 

 spurred: tarsi o-jointed, basal joint long, the remainder slightly de- 

 creasing in length : claws aMc?pulvilli distinct (8 *, intermediate leg). 



Garnonsii Curt. Guide, Gen. 762'^. 1. 



Ochreous, head clothed with short white, and thorax with greyish 

 scales ; eyes black : wings white and rather satiny, superior with 

 the costa ochreous and the edge of the other margins slightly 

 so ; the underside of the former densely clotlied with short and 

 broad upright scales towards the apex, which is very acute. 

 In the Cabinet of Mr. Dale. 



If Trichoptera be related to Neuroptera on the one hand, it 

 most certainly is as nearly allied to the Lepidoptera on the 

 other: it would therefoi'e be impossible to join it to either 

 without uniting the three Orders. In the present instance, so 

 near an approach does Acentropus make to the Lepidoptera, 

 that if the palpi were broken off*, it would not be easy to de- 



