diff --git a/strategies/extractors.go b/strategies/extractors.go
index 10b615f..df8ff8c 100644
--- a/strategies/extractors.go
+++ b/strategies/extractors.go
@@ -4633,6 +4633,11 @@ func csCallSites(decl *sitter.Node, src []byte) []astkit.CallSite {
 				if qual == "" {
 					qual = csTypedReceiver(recv, src)
 				}
+				if qual == "" && recv != nil {
+					// A receiver no name describes (o["x"].Children(),
+					// (a ?? b).M()): untyped, but never a bare call.
+					qual = "<expr>"
+				}
 				return joinQualified(qual, method)
 			case "conditional_access_expression":
 				// `a?.M()`: the function is the conditional access itself,
@@ -4660,6 +4665,9 @@ func csCallSites(decl *sitter.Node, src []byte) []astkit.CallSite {
 				if qual == "" {
 					qual = csTypedReceiver(recv, src)
 				}
+				if qual == "" && recv != nil {
+					qual = "<expr>"
+				}
 				return joinQualified(qual, method)
 			}
 			return ""
diff --git a/strategies/metadata.go b/strategies/metadata.go
index c029b51..b208610 100644
--- a/strategies/metadata.go
+++ b/strategies/metadata.go
@@ -378,6 +378,13 @@ func argToken(c *sitter.Node, src []byte) string {
 				return "#" + strings.TrimSpace(typ[:i]) + "[]"
 			}
 		}
+	case "implicit_array_creation_expression":
+		// C#: new[] { "a", "b" } is a string[]: the first element's type.
+		if init := internalast.FindChildByType(c, "initializer_expression"); init != nil && init.NamedChildCount() > 0 {
+			if t := argToken(init.NamedChild(0), src); strings.HasPrefix(t, "#") && !strings.HasSuffix(t, "[]") && t != "#lambda" {
+				return t + "[]"
+			}
+		}
 	case "typeof_expression":
 		return "#Type"
 	case "invocation_expression":
diff --git a/strategies/metadata_test.go b/strategies/metadata_test.go
index db8dcad..1d4971b 100644
--- a/strategies/metadata_test.go
+++ b/strategies/metadata_test.go
@@ -660,6 +660,8 @@ func TestCSharp_CallSiteTypedConstantArgs(t *testing.T) {
     W(a == b);
     W(!ok);
     W(nameof(F));
+    W(new[] { "a", "b" });
+    W(new[] { 1, 2 });
   }
 }`
 	syms, _ := extract(t, astkit.LangCSharp, src)
@@ -671,7 +673,7 @@ func TestCSharp_CallSiteTypedConstantArgs(t *testing.T) {
 			}
 		}
 	}
-	want := []string{"#double", "#decimal", "#uint", "#ulong", "#long", "#DateTime", "#int", "#double", "#Guid", "#String", "#TimeSpan", "#Uri", "#boolean", "#boolean", "#String"}
+	want := []string{"#double", "#decimal", "#uint", "#ulong", "#long", "#DateTime", "#int", "#double", "#Guid", "#String", "#TimeSpan", "#Uri", "#boolean", "#boolean", "#String", "#String[]", "#int[]"}
 	if strings.Join(got, " ") != strings.Join(want, " ") {
 		t.Errorf("args\n got %v\nwant %v", got, want)
 	}