62 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 121 



Larger than I. longulus; frontal margin more broadly flattened than 

 in longulus. Usually black with lighter colored antennae. Antenna 

 flagellum often strongly serrate. Pronotal piinctm-es large, as large 

 as those on front and separated by less than own diameter; sides of 

 pronotum often more strongly rounded than in longulus with marked 

 concavity at base of hind angle. 



Male genitalia as figiu-ed; apical blade weakly developed, gently 

 rounded at base. 



Female internal genitalia as figured, accessory gland shorter than 

 bursa and distinctly clavate. 



Male elytron: 9.0 ±0.7 mm (7.3-10.3). 50 spec. 



Female elytron: 9.1 ±0.9 mm (7.5-10.9). 50 spec. 



Types. — Lectotype of oregonensis: Male, labelled with dark blue 

 circle (Oregon) (MCZ 2522). Fu-st specimen of type series selected 

 as lectotype by authors in 1962. 



Lectotype of variolatus: Male, labelled with gold circle (Calif.) 

 (MCZ 2522). Thu-d specimen of type series selected as lectotype by 

 authors in 1962; first and second specimens are females, and males 

 are definitive for recognizing the form. 



Holotype of franciscanus: Male, hills back of Oakland, ca. Alay 8, 

 1910 (CAS 3132). 



Distribution. — Northwestern U.S., north of Tehachapi Mtns., 

 California; overlaps with longulus in north-central Utah. 



California. Alameda Co.: Berkeley, May 9, 1940, June 9, 1949; Castle 

 Rock Pk., May 25, 1932; ]\Ioraga, June 1, 1940; Niles, May 30, 1933; Pleasanton, 

 June 5, 1932. Butte Co.: Oroville, May 29, 1926. Calaveras Co.: Big Trees, 

 May 17, 1937; Murphys, May 23, 1936, Jan. 17, 1951. Contra Costa Co.: 

 Brentwood, May 19, 1949; Giant, May 24, 1932; Mount Diablo, May 30, 1930, 

 Apr. 20, 1942, May 3, 1957; Walnut Creek, May 30, 1913, June 1930. El Dorado 

 Co.: Camino, June 21-29, 1948; Pollock Pines, July 10, 1948. Fresno Co.: 

 Clovis, Apr. 21, 1931; Dalton Creek, Apr. 18, 1920; Mendota, Apr. 19, 1956. 

 Humboldt Co.: Blocksburg, June 3, 1935; Fort Seward, May 22, 1935. Kern 

 Co.: Bakersfield, May 5, 1931. Lake Co.: Anderson Springs, May 17, 1952. 

 Lassen Co.: Doyle, May 20, 1934. Madera Co.: Bass Lake, July 24, 1934; 

 Coarsegold, May 12, 1942; Madera, May 2, 1947; Northfork, Feb. 29-Mar. 

 30, 1920. Marin Co.: Fairfax, May 1922; MUl Valley, May 9, 1949. Mari- 

 posa Co.: Miami Ranger Sta., July 29, 1946. Merced Co.: Los Banos, Mar. 16, 

 1946; Panoche Hills, Apr. 23, 1921; Yosemite, May 29, 1937. Modoc Co.: 

 Cedar Pass, July 29, 1946. Mono Co.: Leavitt Meadows, June 26, 1937. Mon- 

 terey Co.: Carmel, Jan. 7, 1908. Napa Co.: Monticello, May 30, 1930. Nevada 

 Co.: Greenhorn, August 28, 1954; Tahoe, June 3- July 8, 1915. Placer Co.: 

 Auburn, May 1939; Newcastle, Apr. 23, 1949; Penryn, July 15, 1939. Plumas Co.: 

 Keddie, June 12, 1941. Sacramento Co.: Sacramento, Apr. 23, 1922. San Benito 

 Co.: June 24, 1933. San Joaquin Co.: Lodi, Apr. 23, 1931; Stockton, May 12, 

 1933; Tracy, May 4, 1933. San Mateo Co.: Half moon Bay, Mar. 16, 1952. Santa 

 Clara Co.: Morgan Hill, May 17, 1922; Mtn. View, May 18, 1941; Palo Alto, 

 May 7, 1920; San Jose, Mar. 2, 1941. Santa Cruz Co.: Santa Cruz Mtns., no 

 date. Shasta Co.: Hat Creek, June 25, 1949, July 25, 1953; Redlands, June 6, 



