288 NATURAL HISTORY BULLETIN. 



P. oviformis Lec. Buena Vista; Breckenridge; Florissant; Salida; Stove 

 Prairie; Little South; West Cliff; Veta Pass, 9,400 feet; Georgetown; 

 Leavenworth Valley. Mr. Bowditch has a new species of this genus 

 from Little Willow Creek. 



Gastroidea dissimilis Say. Fort Collins, on Rumex crispus; Estes Park 

 Hill; peaks above 12,000 feet, Carpenter. 



G. Cyanea Melsh. Durango; Denver; Leavenworth Valley; Fort Collins; 

 Colorado Springs, on Rumex. 



G. Formosa Say. Fort Collins, June, on Rumex. 



Lina lapponica Linn. Denver; Fort Collins; Montrose; Cerro Summit to 

 Cimarron; Placerville; Gunnison. 



L. SCRIPTA Fab. Pueblo; La Junta; Berkeley; Fort Collins and vicinity; 

 Estes Park; Little Willow Creek; Placerville; Colorado Springs, com- 

 mon on willows and poplars. 



GoniocTENA pallida Linn. Estes Park, July, Gillette. 



Trirhabda canadensis Kirby. Golden; Livermore; Palmer Lake; Gar- 

 land; La Veta; Colorado Springs, very abundant on Artemisiae. 



T. NITIDICOLLIS Lec. Colorado, Horn; Poncha Springs, July, Oslar. 



T. diducta Horn. Specimens from Durango are doubtfully referred here 

 by Mr. Bowditch. 



T. lewisii Crotch. Big Narrows of Poudre, on Bigelovia; Clear Creek 

 Canon, Gillette; Durango; South Park; San Luis Valley, Bowditch. 



T. convergens Lec Dome Rock; Garland; La Veta; peaks over 12,000 

 feet, Carpenter; West Cliff; Little South; Dolores, on Bigelovia; Ouray; 

 Durango; Cochetopa Pass; Upper San Juan; Little Willow Creek; Gun- 

 nison; Colorado Springs; Buena Vista. Prof. Cockerell describes a 

 variety virescens from West Cliff and Silver Cliff, but in a note expresses 

 a doubt whether it may not belong to flavolimbata. 



T. attenuaTA Say. Denver; Pinewood; Little Willow Creek; occurs in 

 July and August. 



T. Flavolimbata Mann. South Park; Poncha Springs; Nathrop; West 

 Cliff; Buena Vista; the insect is said to occur on Solidago. Mr. Bow- 

 ditch has luteocincta Lec, from Garland. 



Galerucella Americana Fab. Fort Collins, June; Dixon Canon, Febru- 

 ary; the variety cribrata Lec, is recorded from West Cliff and Ula, oc- 

 curring in May and July respectively. 



G. CAVICOLLIS Lec. Palmer Lake, August, destroying foliage of Prunus 

 pumila. 



G. notulata Fab., variety bilineata Kirby. Colorado, Putnam. 



G. nymph.E.E Linn. Fort Collins, Baker. 



G. TuberculaTA Say. Gunnison; Pagosa Springs. 



G. decora Say. La Veta; Garland; West Cliff; Upper San Juan; Horsefly 

 Peak; Colorado Springs and Buena Vista, common on willows. The 

 variety carbo Lec, is recorded from the state by Dr. Horn. 



Monoxia puncticolliS Say. Colorado Springs, not uncommon on alkali 

 flats; Canon City; Fort Collins; Boulder; Delta; Clear Creek Canon; 

 Denver. 



