JOURNAL, OF ENTOMOLOGY AND ZOOLOGY 



;■(', nearly rull-n-rowii lai-\a in moss. 

 L. in Cascadilla gorge; the specimen 

 lltli and jilaced in breeding-jars con- 

 10 same si)C'cie.s. On May 8tli, I went 

 \, and there sifted a dead larva from 

 another species of Hypnwu; on May 11th I secured another 

 larva from the moss in Cascadilla gorge, and this specimen was 

 likewise transferred to my breeding-jars. On May 25th when 

 these jars were examined, it was round that both specimens 

 had inipated Imt were still very pale and iincolored. On May 

 .')l)tli. one female emergeil from these pii]ia> and was identified 

 as being this species. 



The larviT? of Liof/ii/n are the most sluggish of any crane-flies 

 known to me. Tliey mo\ c only with great slowness and at most 

 times appear to he (piite dead. They crawl about amongst tlie 

 stems of their host-plant and proliably never leave it, not even 

 to impate. 



At Oroiio, ]\laine, I sifted some Ilijpimin in Standpipe woods 

 on June Kith and found two fully-colored pupae, which were 

 killed for specimens on June 17th; on the latter date I found a 

 third pupa in the same woods. 



In nature the insects jirobably e 

 latter part of .lime and adult tlies 

 July. The raj.id development and 

 Hies in l)ree(liii,--jai-s where they 

 couditions of heat, lii;lit and moi 

 earlier hy Dr. Mueggenburg and ot 

 the length of the jnipal stage was a 

 days Init in the field it is undoubtedly longer. 



In the northern part of its range the adult flies ])robal)Iy do 

 not appear before July (Kearner, Out., July 9, '09; St. Johns, 

 (,)ueb., July 20, '01). In the northern United States the insects 

 are on tlie wing in late June and early July. (Orono, Me., June 

 S, 'i;^; p:ilsworth, Me., June IT) to July 4, '13; Machias, Me., 

 July 25, '07; Manchester, \'t.. .lime (i, MO; Montpelier, Vt., June 

 25, '06). In Xew ^'oik state the Hies are common in damp 



•Determined in Mi-. II. I), ll.msr :uu\ I'lof. C. II. IVck of .VU.ajiv, \. Y. 



