Curculio alboscutellatus

Frank W. Pelsue, Jr. & Zhang, Runzhi, 2000, A Review Of The Curculio From China With Descriptions Of New Taxa. Part II. The Curculio Alboscutellatus Group (Curculionidae: Curculioninae: Cyrculionini), The Coleopterists Bulletin 54 (4), pp. 467-496 : 468-472

Key to the Species of the Curculio alboscutellatus Group

1 Antennal club as long as or longer than funicular segments 1–7 combined ----------------------------------------------------------------------------------------------------------------------- 2

19 Antennal club not as long as funicular segments 4–7 combined 10

2(1) Segment two of funiculus equal to segment one ---------------------------------- 3

29 Segment two of funiculus subequal to or not as long as segment one ------------------------------------------------------------------------------------------------------------------------------------ 8

3(2) Tooth on hind femur small, acute ( Fig. 2 ) ----------------------------------------------- 4

39 Tooth on hind femur medium to large ( Fig. 24 ) ----------------------------------- 5

4(3) Scape not as long as funicular segments one to six; meta­uncus lacking; rostrum broader than frons at base narrower at apex, lacking dorsal median carina to insertion of scape. Male 3.3–3.8 mm ( Figs. 1–2 ) --------------------------------------------------------------------------------------- C. jilinensis n. sp.

49 Scape longer than funicular segments 1–6; metauncus present; rostrum broader than frons at base to antennal insertion then tapering to width of frons at apex, with dorsal median carina from frons to insertion of scape. Male 4.1 mm ( Figs. 3–4 ) ------------- C. gressitti n. sp.

5(39) Hind femur lacking prominent proximolateral sulcus, at most feeble ------------------------------------------------------------------------------------------------------------------------------------ 6

59 Hind femur with prominent proximolateral sulcus. Male 4.8 mm ( Figs. 5–6 ) ------------------------------------------------------------------ C. tonkinensis (Heller)

6(5) Rostrum longer than one half length of body ---------------------------------------- 7

69 Rostrum less than or one half as long as body; scape of male longer than funicular segments 1–4 combined. Male 4.8 mm ( Figs. 7–8 ) -- ----------------------------------------------------------------------------------------------------- C. krissiae n. sp.

7(6) Elytral intervals, 2, 6, and 7 with median macular fascia of cretaceous scales; hind femoral tooth acute with indication of secondary denticle and keel. Male 3.7–4.3 mm ( Figs. 9–10 ) --------------------------------------------------- ------------------------------------------------------------------------------- C. alboscutellatus (Roelofs)

79 Elytral intervals 2, 3, 7, 8 and 9 with median macular fascia of cretaceous scales; hind femoral tooth acute may have secondary keel distad to tooth, but not dentate. Male 3.7–4.6 mm ( Figs. 11–12 ) ----- ----------------------------------------------------------------------------------- C. simius spretus (Heller)

8(29) Hind femoral tooth medium to large --------------------------------------------------------- 9

89 Hind femoral tooth small; female rostrum one half as long as body, broad from frons to antennal insertion, then narrows to width of frons at apex; mesosternal intercoxal process prominent. Female 3.4–4.0 mm ( Figs. 13–14 ) --------------------------------------------------------------------- C. lisae n. sp.

9(8) Hind femur robust from base to club ( Fig. 16 ); scape of male as long as funicular segments 1–7 combined. Male 3.8–5.8 mm ( Figs. 15–16 ) ---------------------------------------------------------------------------------------------- C. latusrostris n. sp.

99 Hind femur not robust from base to club ( Fig. 18 ); scape of male as long as funicular segments 1–7 combined. Male 5.2 mm ( Figs. 17– 18 ) ------------------------------------------------------------------------------------------ C. shopfneri n. sp.

10(19) Second segment of funiculus as long as first --------------------------------------- 11

109 Second segment of funiculus not as long as first; scape as long as funicular segments 1–6 combined. Male 3.6–3.7 mm ( Figs. 19–20 ) ----------------------------------------------------------------------------------------------------- C. francisi n. sp.

11(10) Tooth on hind femur medium to large ---------------------------------------------------- 12

119 Tooth on hind femur small. Male 4.7–4.8 mm ( Figs. 21–22 ) ------------- ------------------------------------------------------------------------------------ C. scutellaris (Chevrolat)

12(11) Hind femur with feeble or lacking prominent proximolateral sulcus ---------------------------------------------------------------------------------------------------------------------------------- 15

129 Hind femur with prominent proximolateral sulcus ----------------------------- 13

13(129) Hind femoral tooth medium to large, but not as long as tibia is broad laterally; scape as long or longer than funicular segments 1–6 ---- 14

139 Hind femoral tooth large, as long as tibia is broad laterally; scape as long as funicular segments 1–5. Male 2.6–3.0 mm ( Figs. 23–24 ) ---- -------------------------------------------------------------------------------------------------- C. matthewi n. sp.

14(13) Scape longer than funicular segments 1–6; metauncus bifid; dorsum of prothorax and elytra lacking defined macula; scutellum as long as broad with white scales. Male 5.20–5.70 mm ( Figs. 25–26 ) -------------- --------------------------------------------------------------------------------------- C. ochromaculata n. sp.

149 Scape as long as funicular segments 1–6, metatibia lacking uncus; dorsum of prothorax with basolateral cretaceous macula; elytra with fascia of cretaceous scales; scutellum as long as broad, piceous with small basocentral testaceous scales. Male 4.2–4.3 mm ( Figs. 27–28 ) --------------------------------------------------------------------------------------------- C. chevrolati (Faust)

15(12) Scape longer than funicular segments 1–4; male with peg like meta­ uncus, lacking in female; mesosternal intercoxal process prominent. Male 5.5 mm ( Figs. 29–30 ) --------------------------------------------- C. marioi n. sp.

159 Scape as long as funicular segments 1–6, antennal club as long as funicular segments 5–7; mesosternal intercoxal process feeble. Male 3.0 mm ( Figs. 31–32 ) ------------------------------------------------------ C. richardi n. sp.

Figures

Figs. 1–6. 1–2) Curculio jilinensis male, dorsal and lateral habitus, holotype; 3–4) C. gressitti male, dorsal and lateral habitus, holotype; 5–6) C. tonkinensis male, dorsal and lateral habitus.

Figs. 19–24. 19–20) Curculio francisi male, dorsal and lateral habitus, holotype; 21– 22) C. scutellaris male, habitus dorsal and lateral views; 23–24) C. mathewi male, habitus dorsal and lateral views, holotype.

Figs. 7–12. 7–8) Curculio krissiae male, dorsal and lateral habitus, holotype; 9–10) C. alboscutellatus male, dorsal and lateral habitus; 11–12) C. simius spretus male, dorsal and lateral habitus.

Figs. 13–18. 13–14) Curculio lisae female, dorsal and lateral habitus, holotype; 15– 16) C. latusrostris male, dorsal and lateral habitus, holotype; 17–18) C. shopfneri male, dorsal and lateral habitus, holotype.

Figs. 25–30. 25–26) Curculio ochromaculata male, dorsal and lateral habitus, holotype; 27–28) C. chevrolati male, dorsal and lateral habitus; 29–30) C. marioi male, dorsal and lateral habitus, holotype.

Figs. 31–32. Curculio richardi male, dorsal and lateral habitus, holotype.