the British Neuroptera-Planipenma. 193 



Antennce about the length of the body, with about 

 twenty-five joints. Wings sub-equal, slightly smoky gray. 

 Abdomen rather short, ochreous (PI. XI. fig. 2) . 



Expanse of wings 2|-2| lines. 



Not uncommon in sumraer, especially in fir trees. 



This species is decidedly more gray than the others ; 

 the shortness of the antennse and the ochreous abdomen 

 also distinguish it from aleyrodiformis , which is larger. 



3. CoNiopTERYX ALEYEODiPORMis, Stephens. 



Coniopteryx aleyrodiformis, Steph. 111. vi. 116 (1836); 

 Hag. Ent. Ann. 1858, p. 29. 



Antennce with more than thirty joints, longer than the 

 body. Wings sub-equal, broad, the neuration tolerably 

 distinct. Abdomen thin. 



Expanse of wings 3^-3| lines. 



Probably equally common with the last; but I cannot 

 say that I have personally noticed it. 



These insects are as yet ill-understood, and I regret 

 that the subject can receive no elucidation from me. 

 Hagen, on the authority of an observation made by 

 Zeller (Stett. Zeit. 1859, p. 38), thinks it possible that 

 ■psociformis?aidi ^me^/onrn's may be the sexes of one species. 

 I cannot confirm or disprove this, never having seen the 

 insects in cojndci, but I have certainly found psociformis 

 abundantly when tineifomvis was not to be seen. Rather 

 am I inclined to think, from the formation of the abdo- 

 men, that tineiformis and aleyrod.iformis may be only 

 sexual forms of one species. It may be remarked, how- 

 ever, that, according to information furnished by Brauer, 

 three distinct larvee, pertaining to this genus, are found 

 in Austria. * 



One or more species were certainly known to the old 

 authors, but it is impossible to apply their descriptions 

 with certainty ; though probably tineiformis was the insect 

 they had in view. None of them mention the disparity 



* I have recently received from Mr. Haliday a very minute and in- 

 teresting species, taken in Italy. A short diagnosis is appended. 



Coniopteryx hcematica (Hal. MS.). 



Obscure testacea, abdomiue aurautiaco. Antennaa albido-flava9, corpora 

 paulo longiores. Thorax niaculis utrinqne nigi'o-fuscis. Pedes pallida 

 testacei. Alse sub-aeqnales, fuscescentas, sub-hyaUnae, vix pulveru- 

 lentffi, venis fuscis. 



Long. Corp. f lin., exp. alar. 1^-1| lin. — Hab. Italia. 

 TRANS. ENT. SOC. 1868. ^PAET 11. (jULY) . 



