Chrysonotomyia machaeriae Paniagua & Hansson

Paniagua, Miguel, Hansson, Christer & Medianero, Enrique, 2009, Entedoninae (Hymenoptera: Eulophidae) associated with gall-inducing insects (Diptera: Cecidomyiidae) in Panama, Zootaxa 2237, pp. 43-58 : 49-51

Chrysonotomyia machaeriae Paniagua & Hansson sp. n.

Figures 4 , 11 , 12 , 14 f.

Etymology. From the plant genus Machaerium .

Material examined. Holotype female labeled “ Panama: Provincia de Panama, Parque Natural Metropolitano, ii.2006, M. Paniagua, Cecidomyiidae galls on Machaerium milleflorum ” ( LUZM). Paratypes: seven females with same label data as holotype ( LUZM); 43 females with the same label data as holotype ( MEUP); 12 females with same label data as holotype (USJ); 10 females with same label data as holotype ( MNCN)

Diagnosis. Body predominantly yellow non-metallic, gastral tergites 1 and 4–7 yellow, tergites 2–3 brown; frons without cross-bands; mesoscutum and scutellum with very weak and small meshed reticulation ( Fig. 10 ).

Description (female). Length of body 0.9–1.0 mm. Scape and pedicel pale yellow, flagellum yellowishbrown. Frons, vertex and occiput yellow. Pronotum with anterior half white, posterior half yellow. Mesoscutum, scutellum, dorsellum and propodeum yellow. Coxae yellow; femora, tibia and tarsi yellowishwhite. Forewing hyaline. Petiole yellow. Gaster yellow, tergites 2–3 yellowish-brown to pale brown.

Antenna as in Fig. 4 a. Frons reticulate with a sharp ridge in the interscrobal area. Frontal suture straight, bifurcating laterally, ventral arm slightly downcurved. Vertex reticulate with a strong oblique furrow between the anterior ocellus and each posterior ocelli ( Fig. 4 c). Occipital margin rounded. Ratios: HE/MS/W = 3.1/1.0/ 2.2; POL/OOL/POO = 3.0/2.2/1.0; WH/WT = 1.1.

Mesoscutum and scutellum with very weak and small meshed reticulation. Notauli visible in anterior fourth ( Fig. 11 ). Transepimeral sulcus strongly curved ( Fig. 12 ). Dorsellum convex with weak reticulation. Forewing with speculum closed below; radial cell bare, without stigmal hairlines ( Fig. 4 b). Propodeum with very weak reticulation. Ratios: LW/LM/HW = 1.9/1.0/1.1; PM/ST = 0.3.

Gaster ovate, with weak and small meshed reticulation. Ratio of MM/LG = 0.9.

Male: Unknown.

Host: From blister galls of an unidentified Cecidomyiidae on Machaerium milleflorum (Fabaceae) ( Fig. 14 f).

Biology remarks. The parasitoid complex reared from the galls on Machaerium milleflorum is composed of three species; Ablerus sp. ( Aphelinidae : Azotinae ), an unidentified species of Tetrastichinae and C. machaeriae . C. machaeriae parasitized 34.5% of the collected galls.

Distribution. Canopy of the Parque Natural Metropolitano, Provincia de Panama, República de Panama.

Identification. This species belongs to the C. auripunctata -group (sensu Hansson 2004). With the key in Hansson (2004), the female runs to couplet 60. To include C. machaeriae the key should be modified as follows:

Couplet 59, second alternative leads to 60a, not 60.

60a. Gaster yellow with tergites 2–3 yellowish-brown to pale brown............... C. machaeriae Paniagua & Hansson sp. n. - Gaster completely yellow, or yellow with 4 dark cross-bands ................................................................................... 60

Figures

FIGURE 4. Chrysonotomyia machaeriae sp. n.: a) antenna lateral (female), b) forewing (female). c) head dorsal.

FIGURE 14. Cecidomyiidae galls: a) blister galls on Copaifera sp., b) globular gall on Copaifera sp., c) cylindrical galls on Serjania mexicana, d) globular galls on Serjania mexicana, e) blister galls on Smilax panamensis, f) blister galls on Machaerium milleflorum, g) globular galls on Hirtella flava, h) galls on Unonopsis sp.

FIGURE 8 – 11. 8. Ametallon carinatum sp. n., thoracic dorsum (female). 9. Chrysonotomyia longicaudata sp. n., thoracic dorsum (female). 10. Chrysonotomyia longicaudata sp. n., gastral apical tergite (female). 11. Chrysonotomyia machaeriae sp. n., thoracic dorsum (female).

FIGURE 12, 13. 12. Chrysonotomyia machaeriae sp. n., thorax lateral (female). 13. Chrysonotomyia claviger sp. n., head frontal (female).