INSECTS AKKhXTINC, PARK ANM) \VOt)I>I.A.\ I) TREKS 577 



cater|)illars ftn-tl within thrst- slu'ltcrs, iri-ow rapidl)- aiul iiiatwre b\' llie last 

 wc'ck in Ma\'. translorniiiii; to i)ii|)at; anion^ the foUk-d or fastened lea\es of 

 the l)ush. Ihe niotlis of the second l)rood were observed h\- L)r Lintner as 

 (.-arU as [une 2. I'-i^i^s are (|uickl\' hiid and catei'])inars of tht; second brood 

 are soon at work. Ihe |)Uj)al staLj'e is bniiteil to about tivt; daj's. Tliere 

 are- two and ])ossil)l\- three broods in the \'icinit\' of .\ll)an\'. and MrCliit- 

 tenden st.ites lliat in the District of CokunlMa tliere may be three or vvrn 

 foiu" generations annnal]\. 



Natural enemies. A single parasite, Eulophus c )■ r i a tl e s Walk 

 was bred from this buil worm l)y Mr Chittenden. 



Remedial measures. About the most practical way of controlliiii; this 

 species is to destroy the caterpillars in their web retreats or on open buds, 

 by pinching of? and burning or crushing the affected parts. 



Bibliography 



1.S99 Lintner, J. A. Ins. X. V. 5th Kept, p. 2i;,-i5 



Rose leaf tier 



Olctlirciitis ivaiiaiia Murtf. 

 This rose leaf insect occurs as far north as Michigan, south to Missouri 

 and District of ColumlMa. It has been recorded from ]V'nns)l\ania and 

 probably occiu's in New \'ork State. This species has been carefulh' 

 studied b\- its describer. Miss Murtfeldt. 



Description. Larva. Length .5 inch, diameter . i, c)'lindrical. tapering 

 slightK in both directicnis from middle, but most posteriorly ; color dark 

 green, surface glossy with two shallow wrinkles to each segment, spots 

 minute, blisterlike, each giving rise to a fine short hair. A dark vesicular 

 line extends along the dorsum, and on each side below the small dark stig-' 

 mata is a pale translucent ridge or fold, bearing an irregular row of light 

 hairs more conspicuous here than elsewhere. Head polished, honey-yellow 

 inclining to olive, with a few scattered hairs, palpi white, tipped with crim- 

 son. Cervical shield polished, nearly same color as the head, covering top 

 of segment i. Terminal point of thoracic legs black. Prolegs concolorous 

 with gent-^ral surface. 



Pupa. Enclosed in a pouchlike case formed from a portion of a leaf 

 folded o\er and lined with silk, elongate oval in form, very pointed j)Oste- 



