SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                 --------------


                                    FORM 8-K

                                 CURRENT REPORT


                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934


                        Date of Report: May 4, 2001
                        ---------------------------------
                        (Date of earliest event reported)


                       CITICORP MORTGAGE SECURITIES, INC.
                             (Packager and Servicer)
    (Issuer in Respect of the REMIC Pass-Through Certificates, Series 2001-8)
    -------------------------------------------------------------------------
               (Exact name of registrant as specified in charter)


   Delaware                     333-72459                     13-3408713
 ----------------------------------------------------------------------------
  (State or other juris-       (Commission                 (I.R.S. Employer
 diction of organization)       File Nos.)                Identification No.)


12855 North Outer Forty Drive, St. Louis, Missouri            63141
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   (Address of principal executive offices)                 (Zip Code)


Registrant's Telephone Number, including area code: (314) 851-6305

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(Former name, former address and former fiscal year, if changed since last
report.)


<PAGE>


Item 5.        Other Events.

      The following are Collateral Term Sheets prepared by Citicorp Mortgage
Securities, Inc. ("CMSI") in connection with the offering of its REMIC Pass-
Through Certificates, Series 2001-8. The information set forth in these
Collateral Term Sheets will be superseded in its entirety by the information
set forth in the final prospectus for the Series 2001-8 REMIC Pass-Through
Certificates and by any subsequent Collateral Term Sheets filed under Form 8-K
subsequent to the date hereof related to the Series 2001-8 REMIC Pass-Through
Certificates.

      On May 30, 2001, CMSI is to transfer to the Trustee Mortgage Loans
(1) evidenced by Mortgage Notes with an aggregate Adjusted Balance outstanding
(after deducting principal payments due on or before May 1, 2001) as of
May 1, 2001 of $250,035,526.60. Information below is provided with respect
to all Mortgage Loans expected to be included in the Mortgage Pool.

      The total number of Mortgage Loans as of May 1, 2001 was 559. The
weighted average interest rate on the Mortgage Loans (before deduction of
servicing fee) (the "Note Rate of the Mortgage Loans") as of May 1, 2001 was
6.790%. The weighted average remaining term to stated maturity of the Mortgage
Loans as of May 1, 2001 was 177.74 months. All Mortgage Loans have original
maturities of at least 10 but no more than 15 years. None of the Mortgage Loans
were originated prior to February 1, 2000 or after May 1, 2001. The weighted
average original term to stated maturity of the Mortgage Loans as of May 1,
2001 was 179.71 months.

      None of the Mortgage Loans has a scheduled maturity later than May 1,
2016. Each Mortgage Loan had an original principal balance of not less than
$27,360 nor more than $1,000,000. Mortgage Loans having an aggregate Adjusted
Balance of $5,356,545 as of May 1, 2001 had loan-to-value ratios at
origination in excess of 80%, but no Mortgage Loans had loan-to-value ratios in
excess of 95%. The weighted average loan-to-value ratio at origination of the
Mortgage Loans as of May 1, 2001 was 63.0%. No more than $2,832,759 of the
Mortgage Loans are secured by Mortgaged Properties located in any one zip code.
At least 97% (2) of the Mortgage Loans are secured by Mortgaged Properties
determined by CitiMortgage, Inc. to be the primary residence of the borrower
("Mortgagor").


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1   Capitalized terms used herein and not defined have the meaning assigned
    thereto in the form of Prospectus included in CMSI's Registration
    Statement(333-72459).

2   Such Percentages are expressed as a percentage of the aggregate Adjusted
    Balance of the Mortgage Loans having such characteristics relative to the
    Adjusted Balance of all Mortgage Loans.

<PAGE>


      At least 99% of the Mortgage Loans will be Mortgage Loans originated using
loan underwriting policies which require, among other things, proof of income
and liquid assets and telephone verification of employment, or are refinanced
Mortgage Loans originated using alternative or streamlined underwriting
policies. No more than 3% of the Mortgage Loans will be Mortgage Loans
originated using a loan underwriting policy which, among other things, requires
verification of employment and may require proof of liquid assets, but does not
require verification of income as stated on the loan application. No more than
75% of the Mortgage Loans will be refinanced Mortgage Loans originated using
alternative or streamlined underwriting policies.

      All of the Mortgage Loans which had loan-to-value ratios greater than 80%
at origination had primary mortgage insurance as of such date. In the case of
the Mortgage Loans for which additional collateral was pledged, taken as a
group:

      1.    the number of such loans is 3;

      2.    such loans have an aggregate Adjusted Balance of $1,136,615;

      3.    the weighted average loan-to-value ratio of such loans, taking into
            account the loanable value (as defined in the Prospectus) of the
            additional pledged collateral, is 79.9%; and

      4.    the weighted average loan-to-value ratio of such loans, without
            taking into account the loanable value of the additional pledged
            collateral, is 99.9%.

      Discount Mortgage Loans will consist of Mortgage Loans with Net Note Rates
(NNRs) less than 6.250%. Premium Mortgage Loans will consist of Mortgage Loans
with NNRs greater than or equal to 6.250%. The aggregate Adjusted Balance
outstanding as of the Cut-off Date of the Discount Mortgage Loans and the
Premium Mortgage Loans was $46,334,180 and $203,701,347, respectively. The
weighted average Note Rate of the Discount Mortgage Loans and the Premium
Mortgage Loans, as of the Cut-off Date, was 6.244% and 6.914%, respectively. The
weighted average remaining term to stated maturity of the Discount Mortgage
Loans and the Premium Mortgage Loans, as of the Cut-off Date, was 178.02 months
and 177.67 months, respectively.


<PAGE>


      The following tables set forth information regarding the Mortgage Loans as
of May 1, 2001.


                     YEARS OF ORIGINATION OF MORTGAGE LOANS

                                  Number of                 Aggregate Principal
Year Originated                   Loans                    Balances Outstanding
---------------                   --------                 --------------------

2000                                 28                          $11,274,840

2001                                531                         $238,760,687

Total                               559                         $250,035,527
                                    ===                         ============



                  TYPES OF DWELLINGS SUBJECT TO MORTGAGE LOANS

Type of                           Number of                 Aggregate Principal
Dwelling Unit                     Loans                    Balances Outstanding
-------------                     ---------                --------------------

Detached Houses                     531                         $238,771,591

Multi-family Dwellings*               1                             $350,031

Townhouses                            7                           $2,796,404

Condominium Units (one to four       10                           $3,918,775
stories high)

Condominium Units (over four          6                           $2,858,328
stories high)

Cooperative Units                     4                           $1,340,398


Total                               559                         $250,035,527
                                    ===                         ============


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*   Multi-family dwellings are 2-family.


<PAGE>


             NUMBER OF UNITS IN DWELLINGS SUBJECT TO MORTGAGE LOANS

Type of                           Number of                 Aggregate Principal
Dwelling Unit                     Loans                    Balances Outstanding
-------------                     ---------                --------------------

1-family                            558                         $249,685,496

2-family                              1                             $350,031


Total                               559                         $250,035,527
                                    ===                         ============



                             SIZE OF MORTGAGE LOANS

Outstanding Principal             Number of                 Aggregate Principal
Balance by Loan Size              Loans                    Balances Outstanding
---------------------             ---------                --------------------

$149,999 and under                    4                             $375,986

$150,000 through $199,999             0                                   $0

$200,000 through $249,999             0                                   $0

$250,000 through $299,999            26                           $7,668,704

$300,000 through $349,999           108                          $35,154,347

$350,000 through $399,999           122                          $45,917,163

$400,000 through $449,999            84                          $35,885,389

$450,000 through $499,999            74                          $35,553,233

$500,000 through $549,999            37                          $19,559,597

$550,000 through $599,999            38                          $22,014,105

$600,000 through $649,999            16                          $10,144,665

$650,000 through $699,999            33                          $22,649,937

$700,000 through $749,999             1                             $712,761

$750,000 through $799,999             1                             $788,545

$800,000 through $849,999             5                           $4,076,595

$850,000 through $899,999             3                           $2,631,667

$900,000 through $949,999             0                                   $0

$950,000 and over                     7                           $6,902,833


Total                               559                         $250,035,527
                                    ===                         ============


<PAGE>


                  DISTRIBUTION OF MORTGAGE LOANS BY NOTE RATES

Mortgage Loan                     Number of                 Aggregate Principal
Note Rate                         Loans                    Balances Outstanding
-------------                     ---------                --------------------

5.500%                                1                             $511,945

5.501% - 6.000%                      17                           $6,799,565

6.001% - 6.500%                     138                          $61,349,258

6.501% - 7.000%                     289                         $130,820,823

7.001% - 7.500%                     105                          $47,063,945

7.501% - 8.000%                       6                           $2,451,995

8.001% - 8.375%                       3                           $1,037,996


Total                               559                         $250,035,527
                                    ===                         ============



                         DISTRIBUTION OF MORTGAGE LOANS
                     BY LOAN-TO-VALUE RATIOS AT ORIGINATION

                                  Number of                 Aggregate Principal
Loan-To-Value Ratio               Loans                    Balances Outstanding
-------------------               ---------                --------------------

65.00% and Below                    256                        $119,975,138

65.001% - 75.000%                   159                         $68,654,198

75.001% - 80.000%                   132                         $57,186,262

80.001% - 85.000%                     5                          $1,713,044

85.001% - 90.000%                     7                          $2,506,885


Total                               559                        $250,035,527
                                    ===                        ============


<PAGE>


                           GEOGRAPHIC DISTRIBUTION OF
                          MORTGAGED PROPERTIES BY STATE

                                  Number of                 Aggregate Principal
State                             Loans                    Balances Outstanding
-----                             --------                 --------------------



Alabama                              10                          $4,626,985
Arizona                              10                          $4,838,711
Arkansas                              9                          $3,895,731
California                          162                         $74,301,796
Colorado                             21                          $9,552,793
Connecticut                          17                          $7,904,616
Delaware                              1                            $461,000
District of Columbia                  3                          $1,367,630
Florida                              21                          $9,871,221
Georgia                              22                          $8,489,784
Idaho                                 1                            $382,678
Illinois                             16                          $6,933,604
Indiana                               2                            $910,627
Kansas                                1                            $302,804
Kentucky                              4                          $1,627,364
Louisiana                             2                            $804,744
Maine                                 1                            $695,000
Maryland                             17                          $7,503,232
Massachusetts                        15                          $6,160,675
Michigan                              8                          $3,443,169
Minnesota                             4                          $1,656,526
Mississippi                           1                            $625,970
Missouri                              7                          $3,059,209
Nevada                                3                          $1,192,230
New Hampshire                         2                            $993,631
New Jersey                           23                          $9,747,306
New Mexico                            2                          $1,287,479
New York                             27                         $11,011,484
North Carolina                       23                         $10,482,110
Ohio                                  9                          $4,358,068
Oregon                                7                          $2,941,939
Pennsylvania                         14                          $5,970,921
Rhode Island                          1                            $667,909
South Carolina                        9                          $3,746,253
Tennessee                            12                          $5,554,639
Texas                                36                         $16,774,066
Utah                                  2                            $718,127
Virginia                             21                          $9,123,809
Washington                           13                          $6,049,687

Total                               559                        $250,035,527
                                    ===                        ============


<PAGE>


                                   SIGNATURES

      Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.


                                            CITICORP MORTGAGE SECURITIES, INC.
                                            (Registrant)

                                            By: /s/ Howard Darmstadter
                                               -------------------------
                                                    Howard Darmstadter
                                                    Assistant Secretary


Dated: May 4, 2001