Scymnus (Scymnus) nubilus Mulsant, 1850

Poorani, J. & Lalitha, N., 2018, Illustrated accounts of coccinellid predators of Maconellicoccus hirsutus (Green) (Hemiptera: Sternorrhyncha: Pseudococcidae) on mulberry in India, with description of a new species of Scymnus Kugelann (Coleoptera: Coccinellidae) from West Bengal, Zootaxa 4382 (1), pp. 93-120 : 107

10. Scymnus (Scymnus) nubilus Mulsant, 1850

( FIG. 12 )

Brief description: LENGtH 1.75–2.20 MM, WIDtH 1.30–1.65 MM. FORM ( FIGS 12A–c ) OblONG OVAl, DORSUM MODERAtElY cONVEX AND DENSElY PUbEScENt. HEAD DARk bROWN, lIGHtER IN MAlES. PRONOtUM DARk PItcHY bROWN tO blAck IN MIDDlE, ANtERIOR AND lAtERAl MARGINS REDDISH bROWN AND lIGHtER. ScUtEllUM DARk bROWN. ElYtRA YEllOWISH tO REDDISH bROWN, WItH A DARk bROWN tO blAck SUtURAl StRIPE StARtING FROM bASAl MARGIN AND GRADUAllY NARROWED tOWARDS APEX, lAtERAl bORDERS NARROWlY DARk bROWN tO blAck At MIDDlE. VENtRAl SIDE REDDISH tO YEllOWISH bROWN, EXcEPt PRO-, MESO- AND MEtAVENtRItES AND MIDDlE OF AbDOMINAl VENtRItES DARk bROWN. ANtENNA ( FIG. 12D ) cOMPOSED OF 11 ANtENNOMERES. PROStERNAl cARINAE ( FIG. 12E ) POStERIORlY DIVERGENt. AbDOMINAl POStcOXAl lINE ( FIG. 12F ) INcOMPlEtE, RUNNING PARAllEl tO POStERIOR MARGIN tO NEARlY 3/4 OF ItS lENGtH AND tHEN SlIGHtlY REcURVED, AREA ENclOSED cOARSElY AND DENSElY PUNctAtE. MAlE GENItAlIA ( FIGS 12G–I ) AND FEMAlE SPERMAtHEcA ( FIG. 12j ) AS IllUStRAtED.

Notes: THIS SPEcIES IS WIDElY DIStRIbUtED All OVER tHE INDIAN SUbcONtINENt. THE ADUltS ARE cOMMONlY cOllEctED ON MUlbERRY AND SEVERAl OtHER HOStS IN INDIA (lAbEl DAtA). SANtHAkUMAR et al. (1995) REcORDED It AS A PREDAtOR OF M. hirsutus ON MUlbERRY. SANtHAkUMAR & CHAkRAbORtY (1997) StUDIED ItS bIOlOGY ON M. hirsutus .

Figures

FIGURE 12. Scymnus (Scymnus) nubilus Mulsant: a–c) adult, dorsal View; d) antenna; e) prosternal process; f) abdominal postcoxal line; g–i) male genitalia:g) tegmen, Ventral View;h) tegmen, lateral View; i) penis; j) female genitalia:spermatheca.