diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a2c6119be..e5c30bc42 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -30,7 +30,7 @@ repos:
         - flake8-pyi==22.8.2
         types: [pyi]
         args: [
-          --ignore=E301 E302 E305 E402 E501 E701 E704 F401 F811 W503 Y019 Y026 Y027 Y034 Y037,
+          --ignore=E301 E302 E305 E402 E501 E701 E704 F401 F811 W503 Y019 Y026 Y027 Y034 Y037 Y041,
           # TypeVars in private files are already private
           --per-file-ignores=_*.pyi:Y001
         ]
diff --git a/pandas-stubs/_typing.pyi b/pandas-stubs/_typing.pyi
index b044efc55..0220a8161 100644
--- a/pandas-stubs/_typing.pyi
+++ b/pandas-stubs/_typing.pyi
@@ -53,7 +53,7 @@ PandasScalar = Union[bytes, datetime.date, datetime.datetime, datetime.timedelta
 DatetimeLike = Union[datetime.date, datetime.datetime, np.datetime64, Timestamp]
 
 # dtypes
-NpDtype = Union[str, np.dtype[np.generic], type[object]]
+NpDtype = Union[str, np.dtype[np.generic], type[Union[str, complex, bool, object]]]
 Dtype = Union[ExtensionDtype, NpDtype]
 AstypeArg = Union[ExtensionDtype, npt.DTypeLike]
 # DtypeArg specifies all allowable dtypes in a functions its dtype argument
@@ -135,8 +135,14 @@ Scalar = Union[
     str,
     bytes,
     datetime.date,
+    datetime.datetime,
     datetime.timedelta,
+    bool,
+    int,
+    float,
     complex,
+    Timestamp,
+    Timedelta,
 ]
 ScalarT = TypeVar("ScalarT", bound=Scalar)
 # Refine the definitions below in 3.9 to use the specialized type.
diff --git a/pandas-stubs/core/groupby/generic.pyi b/pandas-stubs/core/groupby/generic.pyi
index f87914f35..d51792674 100644
--- a/pandas-stubs/core/groupby/generic.pyi
+++ b/pandas-stubs/core/groupby/generic.pyi
@@ -141,15 +141,15 @@ class _DataFrameGroupByNonScalar(DataFrameGroupBy):
 class DataFrameGroupBy(GroupBy):
     def any(self, skipna: bool = ...) -> DataFrame: ...
     def all(self, skipna: bool = ...) -> DataFrame: ...
+    # error: Overload 3 for "apply" will never be used because its parameters overlap overload 1
     @overload
-    def apply(
+    def apply(  # type: ignore[misc]
         self, func: Callable[[DataFrame], Scalar | list | dict], *args, **kwargs
     ) -> Series: ...
     @overload
     def apply(
         self, func: Callable[[DataFrame], Series | DataFrame], *args, **kwargs
     ) -> DataFrame: ...
-    # error: Overload 3 for "apply" will never be used because its parameters overlap overload 1
     @overload
     def apply(  # pyright: ignore[reportOverlappingOverload]
         self, func: Callable[[Iterable], float], *args, **kwargs