Solution to Riddles by Gnomie

 Riddles by Gnomie - Solution

Extra letters in the wordplay spelled SHADE FIVE LETTERS THAT CORRECTLY SOLVE THE FINAL RIDDLE. The final solution was the name of the unknown prince in Puccini's opera TURANDOT, which was CALAF.

Clue explanations

 

Across: 

1 PRONUNCIAMENTO S: {RUIN[S]ACOMPONENT}*

11 SOLERA H: SOLE + RA[H]

12 AUGURERS A: {ARE[A] GURUS}*

15 MOES D: MO[D]ES

17 ABASED E: A BASE [E]D

18 IN SECRET F: INSECT round RE[F]

19 LARUS I: LA[I]R US

21 OCEAN V: {NA[V]E CO}<

23 POORI E: POOR I[E]

24 OLLIE L: (a)[L](o)O(f)L(y) + LIE

25 CLADIST E: CLAD I S[E]T

28 STAY T: S Y around TA[T]

31 EN EFFET T: [T]ENET around EFF

33 AGORA E: AGORA[E] 2 defs

39 LUCAN R: LUCA[R]N(e)

40 ROVER S: R + OVER[S]

44 SONERI T: SON + [T]IRE<

46 FLY-TOWER H: FLYER around T(echnicians) in [H]OW

47 ETTLES      A: TE[A]< (lef)T + LES

48 ASBESTOS CEMENT T: {BASEMENTS ETC [T]O S(eal)}*

Down: 

2 ROO BAR C: ROO(f) + [C]RAB<

3 OLEARIA O: (t)O[O]L(s) (r)EA(r) (t)RI(m) A

4 URGES R: {SURE[R] + G}*

5 NARDOO R: RAN< DOO[R]

6 CALICO E: CO around ALIC[E]

7 AGAS C: A + S[C]AG<

8 MURE T: MU[T]E around R(oles)

9 ERICA L: [L]AC< + IRE<

10 TREE LINE Y: {ENTIRE LE[Y]}*

11 SMALL CRAFTS S: S MALL[S] (pres)CR(ibed) AFT S(hip)

13 UNNERVE O: UN NE R[O]VE

14 EERILY L: [L]EERY around IL

16 STREET CRIES V: {SE[V]EREST CRIT}  

20 UNDO E: (t)UN[E] DO(wn)

22 NOTED T: (K)NOT[T]ED

23 PIPAL H: P[H]IAL around P(ilgrims)

26 LEG-PULLS E: LEG + S[E]LL UP<

27 TALCOSE F: {O[F] CASTLE}*

29 AFRO I: A F R[I]O

30 HOURLY N: O[N] in HURLY

32 FOVEOLE A: FOOLE(d) around [A]VE

35 OATERS L: OS around [L]ATER

36 ON SPEC R: ON(e) SP [R]EC

37 VERVEN I: VERVE [I]N

38 MATTE D: MATTE[D]

40 ROUTE D: [D]ETOUR*

42 NAOS L: SO[L]AN<

43 DOWT E: DO W[E]T