Genus Coelioxys

Subgenus Boreocoelioxys Mitchell, 3 taxa

Both C. octodentata and C. sayi are very common in Florida according to Baker's maps. C. rufitarsis was originally described from Florida (specific locality unknown); Buchmann and Donovan (personal communication) have collected it from Jefferson county, Florida.

Key to females of Coelioxys subgenus Boreocoelioxys

  1. Clypeal margin with distinct emargination evident in frontal view with full compliment of setae....C. sayi

  2. Clypeal margin straight....2

    Face

    Ocular hairs long (about 0.15mm); tergum 6 with tiny setae ventral to angles which have a velvety appearance; tergum one with median fascia of long, slender erect setae....C. rufitarsis

    Note long ocular hairs
    Terminal Segements - Dorsal View

    Ocular hairs short (about 0.05mm); tergum 6 with squamose white setae ventral to angles; tergum 1 with median fascia of prostrate setae, if slender, then short....C. octodentatus

    Note short ocular hairs
    Terminal Segments - Dorsal View
    Terga 1-3

Key to males of Coelioxys subgenus Boreocoelioxys

  1. Fovea on metasomal tergum 2 wide, deep, short, conspicuous; margins of fovea impunctate; bee robust. .C. rufitarsis

  2. Fovea on metasomal tergum 2 variable, if wide, then anterior margin punctate; bee variable in form....2

    T2 fovea
    T2 fovea

  3. Posterior margins of gradular grooves on metasomal terga two and three almost obliterated medially. .C.sayi

    T2 foveae

    Posterior margins of gradular grooves on metasomal terga two and three distinct medially....C. octodentatus

    Abdominal grooves

Megachilidae: Coelioxys octodentatusSay (C. atlantica Mitchell is a synonym)

County Records: Listed for Florida by Mitchell; Alachua, Bradford, Highlands, Levy, Miami-Dade, St. Johns; Baker's map shows this species only from north central peninsular region of Florida. It likely occurs throughout the state.

Locations: Archbold Biological Station, Brooker, Crescent Beach, Gainesville, Goethe State Forest, Lake Butler, University of Florida Campus

Dates: May-October

Hosts: M. mendica and M. brevis

Notes:

Female

Dorsal Habitus
Face
Vertex Scutum Scutellum
Vertex
Petiole
Abdomen Dorsal Side
Terga 1-3
Terminal Segments - Dorsal View
Lateral Habitus
Gena
Carina on Pronotal Tubercle
Gena Pleura
Mesepisternum
Abdomen Lateral Side
Terminal Segments - Lateral View
Ventral Habitus
Head - Ventral View
Sterna
Terminal Segments - Ventral View
Wing

Male

Dorsal Habitus
Dorsal Habitus
Face
Mandible
Vertex Scutum Scutellum
Petiole
Abdomen Dorsal Side
T2 foveae
Abdomen - Dorsal Side
T2 fovea
Terminal Segments - Dorsal View
Lateral Habitus
Lateral Habitus
Carina on Pronotal Tubercle
Gena Pleura
Abdomen Lateral Side
Terminal Segments - Lateral View
Ventral Habitus
Head - Ventral View
Head Thorax - Ventral View
Sterna
Sterna
Terminal Segments - Ventral View
Terminal Segments - Ventral View
Genital Armature - Ventral Side

Megachilidae: Coelioxys rufitarsis Smith

County records: Duval (interpreting map in Baker); Jefferson (Buchmann and Donovan, unpub. Data)

coeruf.jpg (73042 bytes)

Dates: April-October

Hosts: probably M. texana in Florida

Notes: Photos of male not yet available.

Female

Dorsal Habitus
Face
Mandibles Clypeus
Vertex Scutum Scutellum
Abdomen Dorsal Side
Terminal Segments - Dorsal View
Lateral Habitus
Carina on Pronotal Tubercle
Gena Pleura
Abdomen Lateral Side
Ventral Habitus
Head - Ventral View
Head Thorax - Ventral View
Sterna
Terminal Segments - Ventral View

Megachilidae: Coelioxys sayi Robertson

County Records: Alachua, Highlands, Levy, Putnam, St. Johns; Listed for Florida by Mitchell; throughout all regions of Florida, according to the map in Baker (1975)

Locations: Archbold Biological Station, Crescent Beach, Gainesville, Kanapaha Prarie, Ordway-Swisher Biological Station, Paynes Prairie Preserve State Park,

Dates: March-October

Hosts: M. mendica, M. brevis

Notes:

Female

Dorsal Habitus
Face
Mandibles Clypeus
Head - Ventral View
Vertex Scutum Scutellum
Petiole
Abdomen Dorsal Side
Terminal Segments - Dorsal View
Lateral Habitus
Carina on Pronotal Tubercle
Gena Pleura
Abdomen Lateral Side
Terminal Segments - Lateral View
Ventral Habitus
Head - Ventral View
Head Thorax - Ventral View
Sterna
Terminal Segments - Ventral View
Wing

Male

Dorsal Habitus
Face
Vertex Scutum Scutellum
T2 foveae
T2 fovea
Terminal Segments - Dorsal View
Lateral Habitus
Gena Pleura
Abdomen Lateral Side
Terminal Segments - Lateral View
Ventral Habitus
Head Thorax - Ventral View
Sterna
Terminal Segments - Ventral View