INSECTS AFFECTING PARK AND WOODLAND TREES 



479 



sionally be taken on the foliage of its food plant, specimens are more easily 

 obtained by rearing from infested twigs. The adults occur abroad in June 

 and Jul)-. The larvae or grubs feed on the inner bark of the branches and 

 stems of the Virginia creeper. Its method of work is represented on plate 

 6, figures 17-19. 



Food plants. It occurs on woodbine and has been recorded from 

 poison ivy and sumac. 



Description. This little black beetle may be easily recognized by its 

 golden thorax with four dots and a wide golden margin, including a sutural 

 and marginal stripe on the wing covers [pi. 6, fig. 24]. 



Distribution. This species ranges from Canada south to Louisiana and 

 west to Kansas and Nebraska. It is probably generally distributed in the east- 

 ern and middle United States. 



Bibliography 



1904 Felt, E. P. & Joutel, L. H. N. Y. State Mus. Bui. 74, p. 66-68 



Madarellus undulatus Say 



A jet-black, highly polished curculio about }i inch long and with deeply striated 

 wing covers, occurs on Virginia creeper, poison ivy and grape. 



This little species is widely 

 distributed, having been recorded 

 by LeConte from Massachusetts 

 to Alabama, Texas and Kansas. 

 The northern beetles are entirely 

 black, while those from the south 

 and west have the prothorax red. 

 Dr Hamilton records two varieties 

 as occurring in southwestern Penn- 

 sylvania. This species bores 

 woodbine in association with 

 Saperda puncticollis Say 

 and transforms to the adult in 



1 1 11 1 r Fie. 120 Madarellus undulatus, dorsal and lateral views 



an oval pupal cell composed of of beet , et pupal cell) enlarged (ori?inal) 



finely comminuted, partly decayed pieces of bark and wood glued together. 



