Eudociminus mannerheimii ( Boheman, 1836 )

Skvarla, Michael J., Bertone, Matthew A., Fisher, J. Ray & Dowling, Ashley P. G., 2015, New Information About the Cypress Weevil, Eudociminus mannerheimii (Boheman, 1836) (Coleoptera: Curculionidae: Molytinae): Redescription, Range Expansion, New Host Records, and Report as a Possible Causative Agent of Tree Mortality, The Coleopterists Bulletin 69 (4), pp. 751-757 : 755

Eudociminus mannerheimii ( Boheman, 1836)

Eudocinus mannerheimii Dejean 1835: 276 [nomen nudum]

Eudocimus mannerheimii Boheman 1836: 241

Eudociminus mannerheimii Leng 1918: 210

LSID: urn:lsid:zoobank.org:act:51E0D421-BFBC-4BDE-8AE4-C987AD13038F

Description. Body 10–17 mm long, 3.5–5.5 mm wide (n = 14). Cuticle dark red to black, generally clothed in colored scale-like setae. Dorsum: Dark gray to brown, with scale-like setae densely packed. Head: Punctate with smooth median line; light tan, orange, or white scales dorsolaterally and immediately posterior and ventral to eye, otherwise without setae; rostrum 2/3 length of pronotum; eyes elongate, reniform. Pronotum: Slightly longer than wide and sides moderately rounded; disc coarsely punctate with smooth median line; with 5 lines of variable color (light tan, orange, pink, or white): 2 complete lines dorsolaterally that connect anteriorly midway between eyes and posteriorly to spots on 6 th elytral intervals; 2 incomplete lines that connect anteriorly to the dorsal apex of eye and terminate in anterior third of pronotum; and median line, which may be indistinct in the middle. Scutellum: Triangular and light tan to white. Elytra: Slightly wider than pronotum and parallel-sided, with humeral angle distinct; preapical elytral hump present in some specimens (e.g., Fig. 4b ); striae deeply impressed, intervals flat. With 4 dark brown to black spots on 4 th intervals, sometimes coalescent into stripes, with or without 4 light tan to white spots; elytral bases usually with 2–4 light tan to white spots on intervals 4 and 6; intervals 9 and 10 with tan to white spots, sometimes coalescent into longer lines. Venter (including legs): Generally appearing dark, with sparse, scale-like, light tan, orange, pink, or white setae; legs with additional simple setae. Tibiae with strong, hook-like unci. Tarsal claws simple, without teeth.

Specimens Examined. 14 pinned specimens. 2 males, USA: North Carolina, Phelps Lake, ex. cypress bark, 25 October 1928, coll. B. B. Fulton ( NCSU) l 1 female, USA: North Carolina, Bladen Co , White Lake , cypress, 14 March 1953, coll. D. M. Weisman ( NCSU) l 4 females, 1 male, USA: North Carolina, Wake Co , Holly Springs , reared from Thuja sp. , 30 January 2013, coll. M. A. Bertone ( NCSU) l 1 female, USA: Arkansas, Newton Co., Steel Creek , ex Malaise trap set in eastern red cedar glade, 10 July 2010, coll. J. R. Fisher and D. Keeler ( UAAM) l 1 female ( APGD 10-0618 - 003 , # 135701 ), USA: Arkansas, Newton Co , Steel Creek (36°01′56″ N, 93°20′02″ W), ex Malaise trap set in eastern red cedar glade, 18 June 2010, col. J. R. Fisher and M. J. Skvarla ( UAAM) l 2 males ( APGD 10-0618 - 003 , # 135702 ), USA: Arkansas, Newton Co, Steel Creek (36°01′56″ N, 93°20′02″ W), ex Malaise trap set in eastern red cedar glade, 18 June 2010, col. J. R. Fisher and M. J. Skvarla ( UAAM) l 1 female ( MS 13-1023 - 017 , # 133546 ), USA: Arkansas, Newton Co, Steel Creek (36°02′19″ N, 93°20′27″ W), ex. purple Lindgren funnel trap, 23 October 2013, col. M. J. Skvarla ( UAAM) l 1 male, “Univ. of Ark. Student Coll.”, no other data ( UAAM). The Arkansas specimens represent new state records .

Figures

Figs. 1–6. Eudociminus mannerheimii, adults, dorsal (A) and lateral (B) habitus. 1) Steel Creek, Newton Co., Arkansas; 2) “Univ. of Ark. Student Coll.”; 3–4) Phelps Lake, North Carolina; 5) Holly Springs, Wake Co., North Carolina; 6) Gainesville, Alachua Co., Florida. Photograph by Michael C. Thomas. Used with permission. Not to scale.