| Species | Mesogramma aeola Hull, 1942 ⇒ Toxomerus aeolus
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| Species | Mesogramma aeolus Hull, 1942
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| Species | Mesogramma alphabetica Hull, 1942 ⇒ Toxomerus virgulatus
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| Species | Mesogramma alphabeticus Hull, 1942
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| Species | Mesogramma anthrax Schiner, 1868 ⇒ Toxomerus anthrax
| | |
| Species | Mesogramma antiopa Hull, 1951 ⇒ Toxomerus antiopa
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| Species | Mesogramma arcifer Loew, 1866 ⇒ Toxomerus arcifer
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| Species | Mesogramma arctura Hull, 1943 ⇒ Toxomerus duplicatus
| | |
| Species | Mesogramma arcturus Hull, 1943
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| Species | Mesogramma arethusa Hull, 1945 ⇒ Toxomerus boscii
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| Species | Mesogramma azurilneus Hull, 1941 ⇒ Toxomerus watsoni
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| Species | Mesogramma bidentatum Giglio-Tos, 1893
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| Species | Mesogramma bidentatus Giglio-Tos, 1893 ⇒ Toxomerus dispar
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| Species | Mesogramma bifida Hull, 1943 ⇒ Toxomerus dispar
| | |
| Species | Mesogramma bipunctata Hull, 1943 ⇒ Toxomerus duplicatus
| | |
| Species | Mesogramma bipunctatus Hull, 1943
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| Species | Mesogramma brevifacia Hull, 1943 ⇒ Toxomerus brevifacies
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| Species | Mesogramma brevifacies Hull, 1943 ⇒ Toxomerus brevifacies
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| Species | Mesogramma camilla Hull, 1951 ⇒ Toxomerus productus
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| Species | Mesogramma centaurea Hull, 1951 ⇒ Toxomerus centaureus
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| Species | Mesogramma centaureus Hull, 1951
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| Species | Mesogramma ciliatum Giglio-Tos, 1892 ⇒ Toxomerus ciliatus
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| Species | Mesogramma circumcincta Enderlein, 1938 ⇒ Toxomerus circumcinctus
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| Species | Mesogramma circumcinctum Enderlein, 1938
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| Species | Mesogramma clara Curran, 1930 ⇒ Toxomerus ciliatus
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| Species | Mesogramma claracunea Hull, 1942 ⇒ Toxomerus claracuneus
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| Species | Mesogramma claracuneus Hull, 1942
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| Species | Mesogramma clarus Curran, 1930
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| Species | Mesogramma cocheri Fluke, 1956
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| Species | Mesogramma comma Giglio-Tos, 1892 ⇒ Toxomerus marginatus
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| Species | Mesogramma confusa Schiner, 1868 ⇒ Toxomerus virgulatus
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| Species | Mesogramma confusus Schiner, 1868
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| Species | Mesogramma crockeri Curran, 1934 ⇒ Toxomerus crockeri
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| Species | Mesogramma croesa Hull, 1940 ⇒ Toxomerus croesus
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| Species | Mesogramma croesus Hull, 1940
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| Species | Mesogramma cyrilla Hull, 1951 ⇒ Toxomerus productus
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| Species | Mesogramma cyrillus Hull, 1951
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| Species | Mesogramma difficilis Curran, 1930 ⇒ Toxomerus difficilis
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| Species | Mesogramma divaricata ♰ Y. C. Hong, 1984
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| Species | Mesogramma diversum Giglio-Tos, 1892 ⇒ Toxomerus bistrigus
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| Species | Mesogramma ecuadorea Hull, 1943 ⇒ Toxomerus ecuadoreus
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| Species | Mesogramma ecuadoreus Hull, 1943
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| Species | Mesogramma elisa Hull, 1951 ⇒ Toxomerus elisa
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| Species | Mesogramma elongata Hull, 1941 ⇒ Toxomerus insignis
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| Species | Mesogramma eurydice Hull, 1951 ⇒ Toxomerus idalius
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| Species | Mesogramma extrapolata Hull, 1943 ⇒ Toxomerus pictus
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| Species | Mesogramma fasciata Hull, 1948 ⇒ Toxomerus dispar
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| Species | Mesogramma ferroxida Hull, 1942 ⇒ Toxomerus ferroxida
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| Species | Mesogramma flammaria Hull, 1943
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| Species | Mesogramma flamminea Hull, 1941 ⇒ Toxomerus floralis
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| Species | Mesogramma flava Hull, 1941 ⇒ Toxomerus saphiridiceps
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| Species | Mesogramma flaviplurus Hall, 1927 ⇒ Toxomerus flaviplurus
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| Species | Mesogramma flavocuneus Hull, 1940 ⇒ Toxomerus dispar
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| Species | Mesogramma flavopocula Hull, 1948 ⇒ Toxomerus virgulatus
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| Species | Mesogramma flavus Hull, 1941
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| Species | Mesogramma gemini Hull, 1941 ⇒ Toxomerus duplicatus
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| Species | Mesogramma guttifer Hull, 1943 ⇒ Toxomerus guttifer
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| Species | Mesogramma harlequina Hull, 1951 ⇒ Toxomerus basalis
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| Species | Mesogramma harlequinus Hull, 1951
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| Species | Mesogramma hieroglyphica Schiner, 1868 ⇒ Toxomerus hieroglyphicus
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| Species | Mesogramma hieroglyphicus Schiner, 1868
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| Species | Mesogramma idalia Hull, 1951 ⇒ Toxomerus idalius
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| Species | Mesogramma idalius Hull, 1951
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| Species | Mesogramma imperialis Curran, 1926 ⇒ Toxomerus dispar
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| Species | Mesogramma insignis Schiner, 1868 ⇒ Toxomerus insignis
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| Species | Mesogramma intermedia Hull, 1949 ⇒ Toxomerus intermedius
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| Species | Mesogramma intermedius Hull, 1949
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| Species | Mesogramma lachrymosa Aldrich, 1905 ⇒ Toxomerus lacrymosus
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| Species | Mesogramma laenas Hull, 1943 ⇒ Toxomerus laenas
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| Species | Mesogramma lanei Hull, 1942 ⇒ Toxomerus watsoni
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| Species | Mesogramma leda Hull, 1951 ⇒ Toxomerus idalius
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| Species | Mesogramma luna Hull, 1943
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| Species | Mesogramma lunus Hull, 1943 ⇒ Toxomerus lunus
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| Species | Mesogramma lutzi Curran, 1930 ⇒ Toxomerus dispar
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| Species | Mesogramma lyrata Hull, 1940 ⇒ Toxomerus pulchellus
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| Species | Mesogramma melleoguttata Hull, 1941 ⇒ Toxomerus pictus
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| Species | Mesogramma mitis Curran, 1930 ⇒ Toxomerus verticalis
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| Species | Mesogramma mulio Hull, 1941 ⇒ Toxomerus norma
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| Species | Mesogramma nasica Hull, 1941 ⇒ Toxomerus floralis
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| Species | Mesogramma nasicus Hull, 1941
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| Species | Mesogramma neotropica Hull, 1943 ⇒ Toxomerus dispar
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| Species | Mesogramma nigripunctus Enderlein, 1938 ⇒ Toxomerus nigripunctus
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| Species | Mesogramma nitida Schiner, 1868 ⇒ Toxomerus nitidus
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| Species | Mesogramma nitidiventris Curran, 1930 ⇒ Toxomerus laenas
| | |
| Species | Mesogramma nitidus Schiner, 1868
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| Species | Mesogramma norma Curran, 1930 ⇒ Toxomerus norma
| | |
| Species | Mesogramma nymphalia Hull, 1942 ⇒ Toxomerus nymphalius
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| Species | Mesogramma nymphalius Hull, 1942
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| Species | Mesogramma ochracea Hull, 1942 ⇒ Toxomerus ochraceus
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| Species | Mesogramma ochraceus Hull, 1942
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| Species | Mesogramma ornatus Hull, 1943 ⇒ Toxomerus hulli
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| Species | Mesogramma ornithoglypha Hull, 1942 ⇒ Toxomerus ornithoglyphus
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| Species | Mesogramma ornithoglyphus Hull, 1942
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| Species | Mesogramma ovata Hull, 1942 ⇒ Toxomerus ovatus
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| Species | Mesogramma ovatus Hull, 1942
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| Species | Mesogramma panamensis Curran, 1930 ⇒ Toxomerus bistrigus
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| Species | Mesogramma paragramma Schiner, 1868 ⇒ Toxomerus paragrammus
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| Species | Mesogramma paragrammus Schiner, 1868
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| Species | Mesogramma parvula Loew, 1866 ⇒ Toxomerus parvulus
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| Species | Mesogramma philippii Shannon, 1927 ⇒ Toxomerus vertebratus
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| Species | Mesogramma planiventris Loew, 1866 ⇒ Toxomerus corbis
| | |
| Species | Mesogramma poecilogastra Loew, 1866 ⇒ Toxomerus pictus
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| Species | Mesogramma polygonastyla Wolcott, 1923
| | |
| Species | Mesogramma polygraphica Hull, 1940 ⇒ Toxomerus polygraphicus
| | |
| Species | Mesogramma polygraphicus Hull, 1940
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| Species | Mesogramma producta Curran, 1930 ⇒ Toxomerus productus
| | |
| Species | Mesogramma productus Curran, 1930
| | |
| Species | Mesogramma puella Hull, 1942 ⇒ Toxomerus puellus
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| Species | Mesogramma puellus Hull, 1942
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| Species | Mesogramma pulchella Macquart, 1846
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| Species | Mesogramma pura Curran, 1930 ⇒ Toxomerus purus
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| Species | Mesogramma purus Curran, 1930
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| Species | Mesogramma rhea Hull, 1949 ⇒ Toxomerus basalis
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| Species | Mesogramma rhodope Hull, 1951 ⇒ Toxomerus verticalis
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| Species | Mesogramma rhombica Aldrich, 1905 ⇒ Toxomerus rombicus
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| Species | Mesogramma rombica Giglio-Tos, 1892 ⇒ Toxomerus rombicus
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| Species | Mesogramma rombicus Giglio-Tos, 1892
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| Species | Mesogramma rufocincta Curran, 1927 ⇒ Toxomerus aurulentus
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| Species | Mesogramma selva Hull, 1943 ⇒ Toxomerus brevifacies
| | |
| Species | Mesogramma slossonae Curran, 1930 ⇒ Toxomerus parvulus
| | |
| Species | Mesogramma soror Schiner, 1868 ⇒ Toxomerus dispar
| | |
| Species | Mesogramma steatogaster Hull, 1941 ⇒ Toxomerus steatogaster
| | |
| Species | Mesogramma steatornis Hull, 1943 ⇒ Toxomerus steatogaster
| | |
| Species | Mesogramma subannulata Loew, 1866 ⇒ Toxomerus floralis
| | |
| Species | Mesogramma sylphus Hull, 1943 ⇒ Toxomerus nasutus
| | |
| Species | Mesogramma sylvatica Hull, 1943 ⇒ Toxomerus sylvaticus
| | |
| Species | Mesogramma sylvaticus Hull, 1943
| | |
| Species | Mesogramma taenia Curran, 1930 ⇒ Toxomerus taenius
| | |
| Species | Mesogramma taenius Curran, 1930
| | |
| Species | Mesogramma triangulata Hull, 1942 ⇒ Toxomerus dispar
| | |
| Species | Mesogramma triangulatus Hull, 1942
| | |
| Species | Mesogramma trilineatum Enderlein, 1938 ⇒ Ocyptamus luctuosus
| | |
| Species | Mesogramma triradiata Hull, 1942 ⇒ Toxomerus productus
| | |
| Species | Mesogramma triradiatus Hull, 1942
| | |
| Species | Mesogramma tubularia Hull, 1942 ⇒ Toxomerus tubularius
| | |
| Species | Mesogramma tubularius Hull, 1942
| | |
| Species | Mesogramma ultima Hull, 1951 ⇒ Toxomerus nasutus
| | |
| Species | Mesogramma ultimus Hull, 1951
| | |
| Species | Mesogramma una Hull, 1943 ⇒ Toxomerus una
| | |
| Species | Mesogramma urania Hull, 1951 ⇒ Toxomerus uranius
| | |
| Species | Mesogramma uranius Hull, 1951
| | |
| Species | Mesogramma valdesi Fluke, 1950 ⇒ Toxomerus valdesi
| | |
| Species | Mesogramma vanessa Hull, 1951 ⇒ Toxomerus productus
| | |
| Species | Mesogramma verticalis Curran, 1927 ⇒ Toxomerus verticalis
| | |
| Species | Mesogramma veve Hull, 1942 ⇒ Toxomerus veve
| | |
| Species | Mesogramma vierecki Curran, 1930 ⇒ Toxomerus vierecki
| | |
| Species | Mesogramma violacea Curran, 1926 ⇒ Toxomerus violaceus
| | |
| Species | Mesogramma violaceus Curran, 1926
| | |
| Species | Mesogramma vitrea Hull, 1941 ⇒ Toxomerus laenas
| | |
| Species | Mesogramma vitrecens Hull, 1930
| | |
| Species | Mesogramma vitrescens Hull, 1930 ⇒ Toxomerus anthrax
| | |
| Species | Mesogramma vitreus Hull, 1941
| | |
| Species | Mesogramma vultura Hull, 1942 ⇒ Toxomerus bistrigus
| | |
| Species | Mesogramma vulturus Hull, 1942
| | |
| Species | Mesogramma watsoni Curran, 1930 ⇒ Toxomerus watsoni
| | |
| Species | Mesogramma willistoni Lynch Arribálzaga, 1829
| | |
| Species | Mesogramma willistonii Lynch Arribálzaga, 1892 ⇒ Toxomerus willistonii
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