56 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



Conotrachelus elegans Boheman. 



The pecan gall weevil was found on Verbesina virginica, April 

 5, 1907 (Cushman); deposits eggs in galls of Phylloxera devas- 

 tatrix on leaves of pecan (Hicoria pecan); found larvae in the 

 galls April 23, 1907; larvae entered ground April 30; adults May 

 7; also bred adults as late as May 24 from other lots; found larvae 

 in young green blasted pecans; entered ground July 11; adult 

 July 14 (Mitchell). From the weevils in galls, Sigalphus cur- 

 culionis Fitch, Myiophasia anea Wiedemann, and Eurytoma 

 tylodermatis Ashmead, were bred (Pierce). 



Conotrachelus erinaceus Le Conte. 



On cotton, September 14, 1907 (Mitchell). 



x 



Conotrachelus leucophaeatus Fahraeus. 



On cotton (Gossypium) May 2, 1904 (Hinds); on a ripe rig 

 (Ficus), July 20, 1905 (Mitchell); it normally breeds in the 

 stems of Euphorbia marginata, a common weed in the Guadalupe 

 bottoms (Pierce). 







Conotrachelus naso Le Conte. 



At trap lantern in cotton field, October 1, 1897; gathered a 

 pint of acorns of pin oak (Quercus breviloba) at Pridham's Lake, 

 October 15, 1904, larvae issued November 1, began to change to 

 pupa March 13, 1905, first perfect pupa March 21, adults April 

 4; gathered 167 acorns of live oak (Quercus virginiana) at Sutton 

 Mott, October 2, 1904, from which up to October 14, 266 larvae 

 issued; in ground 150 to 200 days; taken at light at City Hall, 

 September, 1904; larvae in acorns of post oak (Quercus minor'), 

 November 11, 1905, adult June, 1906; have also found the 

 species breeding in black jack (Quercus marilandica) acorns; 

 it works side by side with Balininus mctoriensis, and has sub- 

 stantially the same developmental periods; as many as 7 larvae 

 have been found in a single acorn; the summer sleeping and 

 feeding habits are the same as those described for Balaninus 

 mctoriensis (Mitchell) . 



Conotrachelus nenuphar Herbst. 



Gathered a dozen wild plums (Prunus) stung by this weevil, 

 May 18, 1905,; six larvae emerged May 26 to June 2, first larva 

 began to pupate June 13; five pupae became adult June 20 (Mit- 

 chell); September 1, 1903 (Hinds). It breeds at Victoria in both 

 wild and cultivated plums and in peaches. It is sometimes a 

 very serious pest. 



