Szekessy Vilmos (szerk.): A Magyar Természettudományi Múzeum évkönyve 57. (Budapest 1965)
Abdullah, M.: A revision of the genus Retocomus Casey (Coleoptera, Anthicidae)
0.30,0.26,0.25,0.25, 0.25, 0.26, 0.25, 0.22, and 0.31 respectively. Maxillary palp, segments I—IV: 0.07,0.24,0.18, and 0.30 respectively. Head: width across eyes 1.13; dorsal interocular distance 0.42. Pronotum: length 1.30; width at apex 0.68; maximum width 1.32; width at base 1.15. Elytron: length 6.5 ; maximum width 1.05. Front tarsus, segmentsl —V: 0.50, 0.28, 0.15, 0.08, and 0.47 respectively. Middle tarsi missing. Hind tarsus, segments I —IV: 0.76, 0.40. 0.18, and 0.50 respectivelv. Hind tibial spur 0.11. Female (author's no. 474), U.S.A., Illinois, Cook County, Palos Park, July 14, in the British Museum (N. H.). Differs from the male as follows. Seventh abdominal sternite entire at apex (fig. 156). Seventh tergite truncate at apex, without processes or spines (fig. 157). Measurements in mm. Total length 9.5. Antennái segments I—XI: 0.38, 0.19, 0.28, 0.22, 0.22, 0.22, 0.23, 0.23, 0.23, 0.19, and 0.22 respectively. Maxillary palp segment I —IV: 0.07, 0.27, 0.15, and 0.23 respectively. Head: width across eyes 1.10; dorsal interocular distance 0.56. Pronotum: length 1.33; width at apex 0.73; maximum width 1.30: width atbase 1.17. Elytron: length 6.5. Front tarsus, segments I-V: 0.55,0.28,0.21, 0.11, and 0.55 respectively. Middle tarsus, segments I-V; 0.63, 0.29, 0.21,0.14,and 0.56 respectively. Hind tarsus, segments I-IV: 0.70, 0.30, 0.16, and 0.56 respectively. Hind tibial spur 0.12. Type locality: U. S. A., Kentucky. Records and Variation, U.S. A., Alabama: Hazen, Dallas County, on Quercus priceus, 1 tf, April 4-May 5 (BM) ; 8 ex., (AMNH); 1 ex., (CU). Arkansas: east Arkansas, 2 ex., (HU). Illinois: Frankfort, Will County, 1 ex., June 8 (ISNHS); Galesburg, Knox County, 1 ex., (HU). Glenview, Cook County, 1 9, July 8 (Liljebald) (PhANS) ; 1 ex., (CNHM); 1 ex., (UMich). Kahokia, Saint Clair County, 1 ex., June 8 (UMiss). 3 miles west of McLean, McLean County, beating elm, 3 çfçf, 1 9 (J- M. CAMPBELL) (MA). Palos Park, Cook County, 1 ex., July 14 (CNHM). Putnam County, 1 ex., May 24 (ISNHS). Saint Joseph, Champaign County, 2 ex., June 9-12 (ISNHS). Wabash Valley, 2 ex., May (HU). South of Villa Grove, Douglas County, 1 9, July 2 (J. K. BOUSEMAN & R. B. SELANDER) (MA). Indiana: Knox County, 1 ex., May 19 (CU). Iowa: State label only, 2 ex., (HU). Kansas: State label only, 13 ex., (CDA); 1 9 (HU). Douglas County, 1 ex., May 31 (UK). Topeka, Shawnee County, 2 ex., (CDA). Kentucky: State label only, 1 ex., (CU) ; 1 ex., (HU). Butler County, 1 ex., June 9 (UCB); 1 9> June 9 (J. M. CAMPBELL) (MA). Henderson, Henderson Countv, 3 ex., May 7 (UMich). Missouri : State label only, 6 ex., (ISNHS); 1 ex., (UMiss); 2 rfçf, (MA). St. Louis, St. Louis County, 3 ex., (CAS); 1 ex., (HU). Ohio: State label only, 1 9 (BM); 1 9 (HNHM) ; 2 ex., (AMNH) ; 1 ex., (PhANS). Cincinnati, Hamilton County, 1 9, May 29 (BM) ; 2 9 9 ; (PhANS); 1 ex., May 29 (CDA). Oklahoma: Stillwater, Payne County, 1 çf, May 1 (O. EASTOP) (CAS); 3 ex., April 28-May 1 (CDA). Tennessee: State label only, 2 ex., (ISNHS). Texas: State label only, 1 tf (BM); 1 ex. (CDA); 5 ex., (HU). Dallas County, 1 ex., April 26 - May 2 (CDA); 5 ex., (HU); 3 ex., (USNM). Victoria, Victoria County, 1 0 * (author's no. 552), March 15 (PM). "Ind. T" =" Indian Territory", 1 cf. 2 9 9 (Horn, (PHANS). Intraspecific variation occurs in the following characters: vestiture well-developed or reduced ; elytral stripes complete or broken and irregulary arranged, sometimes absent from most of elytra except apices; white, irregular maculations on elytra present or absent; and length varies from 7 — 11 mm among males and from 7.5 —13 mm among females. Bionomics. Specimens have been collected on Quercus priceus or by beating elm. Seasonal distribution. The species has been collected from March 15 to July 14. Acknowledgments For the loan of gift of specimens, I am grateful to the various institutions and entomologists mentioned in the text. For their kind interest in my work, I am grateful to the following: Dr. M. IAN CRICHTON and Professor ALASTAIR GRAHAM of this Department, and Mr. ROY A. CROWSON, University of Glasgow, Scotland. The photographs were taken by the University photographer, M. IAN Mc LEAN. My brother, Mr. M. ABDUR RAHMAN, assisted me in the
