28 ENTOMOLOGICAL NEWS. [January, 



Hippodamia convergent Guer. and H. sinuata Muls. Parasitized indi- 

 viduals of these species were found adhering to leaves of cabbage during 

 the early part of September. A specimen of Euphorus sculptus Cr. 

 emerged from //. sinuata on September 2o,"and from a H. convergent 

 on September 28. 



Scymnus collaris Mels. (Det. through Riley) Larvae found among 

 plant lice on Oenothera biennis August 15, produced beetles September 10. 

 Epildchna corrnpta Muls. The life-history, etc.. of the "Bean Beetle" 

 has been quite fully discussed in Bull. 19 of the Colo. Exp. Station. Lima 

 beans are scarcely touched, and some kinds of string beans are not in- 

 jured nearly as much as others. On August 18, eggs, larvae in all stages, 

 pupas and beetles, were found in great abundance. 



Hydnocera longicollis Ziegl. (Det. through Riley) A specimen ap- 

 peared during July in a breeding-cage containing galls of Euura s-ncdus 

 whioh had been collected early in the Spring. 



Leina trilineata Oliv. Larvae nearly mature were found in abundance 

 on Physalis virgin ian a June 24. These pupated June 30, the beetles 

 emerging July 25. 



Sa.ri>ris omogera Lac. (Det. through Riley) A number of cocoons 

 of this species were found under a stone in the foot-hills west of Fort 

 Collins May 20. They were attached to a little stick and looked like buds 

 on a twig. The beetles emerged from June 8 to June 20. 



Chrysomela exclamationis Fab. Larvae common in the involucres of 

 flowers of Helianthus annuus July 24. Began pupating July 27. Beetles 

 emerged September 7. 



Chrysomela flavomarginata Say. Eggs were found on the dead stems 

 of Artemisia dracunculoides early in the Spring. May 20 the eggs hatched, 

 the young larvae feeding freely on the Artemisia. Attained imago state 

 in July. 



Gastroidea dissimilis Say. Eggs, and larvae in all stages very common 

 on Rumex crispus May 24. First pupae appeared May 30, these giving 

 images ten days later. 



Lina scripta Fab. Larvae abundant on young cottonwood sprouts 

 June 29. Beetles began emerging July n. 



Trirhabda convergens Lee. Larvae were taken on Bigelovia, June 18, 

 at Dolores, by Prof. Gillette. These produced beetles by July 5. 



Galernca margiuclla Kirby. (Det. through Riley) Larvae mining in 

 leaves of Chenopodium June 20. Pupated, giving beetles on July 5 



Microrhopala vittata Fab. A very common beetle in this locality. 

 Larvae mine leave of Solidago. May 10 were copulating and depositing 

 eggs. By July 2 patches of the Solidago looked white and dead. Beetles 

 began emerging July 19. 



Cassida nigripes Oliv. (Det. through Riley) Larvae on Convolvulus 

 segpiutn July 2. Pupated July 9, the beetles emerging July 19. From a 

 pupa a Tacliina larva emerged and pupated July 12, the fly appearing 

 July 19. 



