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Genus Alabagrus

Braconid - Alabagrus texanus - female ichneumon wasps? - Alabagrus - male spider wasp? - Alabagrus texanus - male Ichneumon or braconid wasp - Alabagrus stigma - female alabragus texanus? - Alabagrus texanus - female Family Ichneumonidae - Ichneumon Wasps, ID please - Alabagrus texanus Family Ichneumonidae - Ichneumon Wasps, ID please - Alabagrus texanus Alabagrus texanus? - Alabagrus texanus - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" - Parasitoid Wasps)
Superfamily Ichneumonoidea (Braconid and Ichneumonid Wasps)
Family Braconidae (Braconid Wasps)
Subfamily Agathidinae
Tribe Agathidini
Genus Alabagrus
Explanation of Names
Alabagrus Enderlein, 1920
Numbers
6 spp. in our area; (1)(2) 104 spp. worldwide as of Sharkey (1988)(1)(3)
1. Alabagrus imitatus: southeastern US; TX
2. Alabagrus marginatifrons: southeastern US; KS
3. Alabagrus sanctus: northeastern US; LA, OK, TX
4. Alabagrus stigma: s. FL
5. Alabagrus texanus: widespread eastern US to TX
6. Alabagrus xolotl: AZ
Identification
Distinguished from other Agathidinae as follows: fore claw with rounded basal node and not cleft, forewing with vein (RS+M)a mostly absent, notauli present, frons with carina.(1)

Key to females after Muesebeck (1927) with additions from Sharkey (1988):(4)(3)

1a. Wings infuscate with the pterostigma distinctly yellow .............................................. A. stigma
1b. Wings infuscate without contrasting color on pterostigma ......................................... 2

2a. Thorax primarily testaceous or ferruginous ............................................................. 3
2b. Thorax primarily black, metapleuron and propodeum variable ................................... 5

3a. Fore and middle legs mostly black ......................................................................... A. imitatus
3b. Fore and middle legs entirely testaceous ................................................................ 4

4a. Eastern species; hind trochanter distally brown; hind tarsus and tibia distally brown .... A. marginatifrons
4b. Desert southwest species; all trochanters black; hind tarsus and tibia apically brown ... A. xolotl

5a. Ovipositor slightly longer than the abdomen; only hind coxae and femora orange ......... A. texanus
5b. Ovipositor about as long as the body; hind coxae, femora, and base of tibiae orange .... A. sanctus
Range
New World, primarily Neotropical(1)
Works Cited
1.Synopsis of the Agathidinae (Hymenoptera: Braconidae) of America north of Mexico
Michael J. Sharkey. 2004. Proceedings of the Russian Entomological Society. St. Petersburg, 75(1): 134-152.
2.Nomina Insecta Nearctica
Poole, Robert W. Nearctica.com, Inc.
3.A taxonomic revision of Alabagrus (Hymenoptera: Braconidae)
Michael J. Sharkey. 1988. Bulletin of the British Museum (Natural History) Entomology, 57: 1-137.
4.A revision of the parasitic wasps of the subfamily Braconinae occurring in America north of Mexico
C.F.W. Muesebeck. 1927. Proceedings of the United States National Museum, 69 (2642):1-73.