Madecadryinus humicolus Olmi, 2007,

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van, 2019, Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea), Zootaxa 4630 (1), pp. 1-619: 579-580

publication ID

publication LSID

persistent identifier

treatment provided by


scientific name

Madecadryinus humicolus Olmi, 2007


1. Madecadryinus humicolus Olmi, 2007 

( Figs 257AView FIGURE 257, 258A, BView FIGURE 258)

Madecadryinus humicolus Olmi 2007c: 23  ; Azevedo et al. 2010: 885.

Description. ♀ ( Fig. 257AView FIGURE 257). Apterous; body length 1.4–2.2 mm. Head black, except clypeus and mandible testa- ceous; antenna testaceous; mesosoma black, except lateral margin of apparent pronotum and distal extremity of propodeal declivity testaceous; metasoma brown, except distal half testaceous; legs brown, except tarsi and meso- and metatibia testaceous. In two paratypes from Madagascar, 18°13.31’S 47°17.13’E and 18°28.24’S 47°57.36’E, legs testaceous, except metacoxa partly brown. Antenna ( Fig. 257AView FIGURE 257) clavate, thickened; antennomeres of holotype in following proportions: 10:3.5:1:3:3.5:3.5:3.5:3.5:3.5:5; antennomeres 1 and 10 longer than broad; antennomeres 3– 9 longer than broad (length/breadth ratio of antennomere 9 in lateral view: 3.5:3; antennomere 6 longer than broad: 3.5:2); antennomere 2 longer than broad (3.5:2); ADOs present in antennomeres 4–10; antennal toruli contiguous with lateral margins of clypeus. Head rectangular in dorsal view ( Fig. 257AView FIGURE 257), slightly longer than broad (20:19), shiny, covered with short and fine setae, finely punctate, unsculptured among punctures; vertex of head flat; frons very convex ( Fig. 258AView FIGURE 258); eye ( Fig. 258AView FIGURE 258) very small, much shorter than head (3: 20 in dorsal view); ocelli absent; occipital carina distinct, complete on dorsal region of head, incomplete on lateral regions; frontal line absent; clypeus with ventral margin rounded; temple very long, about 3 × as long as eye (10:3); subocular sulcus absent. Palpal formula 2/2. Propleuron apparently mobile and articulated, hidden under apparent pronotum. Remaining regions of mesosoma completely fused with no sutures separating fused regions; laterally two sutures visible, suture between apparent pronotum and mesothorax and meso-metapleural suture (sutures complete, their upper third or fourth being thiner than rest of sutures). In two paratypes from Madagascar, 18°13.31’S 47°17.13’E and 18°28.24’S 47°57.36’E, and in five paratypes from Madagascar, 13°07.06’S 49°13.48’E, lateral suture between apparent pronotum and mesothorax incomplete, upper third being absent. Mesosoma shiny, covered with fine and short setae, finely punctate, unsculptured among punctures; mesosoma cylindric and divided into two regions (anterior flat dorsal region (corresponding to pronotum, mesonotum, metanotum and metapectal-propodeal disc) and posterior inclined region (corresponding to propodeal declivity)); in anterior dorsal region no sutures dorsally visible, except suture separating dorsal region from lateral regions (suture incomplete, being absent in anterior third of dorsal region (probably corresponding to pronotum)) ( Fig. 257AView FIGURE 257); propodeal declivity completely surrounded by strong keel separating it from metapectal-propodeal disc and from lateral regions of mesosoma; propodeal declivity finely punctate, unsculptured among punctures, with few transverse striae near apex. Protarsomeres in following proportions: 8:2:2:7:9. Protarsomere 3 produced into hook. Enlarged claw ( Fig. 258BView FIGURE 258) without subapical teeth (with tracks of three small teeth), with eight very slender lamellae and many setae on outer side. Protarsomere 5 ( Fig. 258BView FIGURE 258) with two rows of 4 + 10 lamellae; apex with four lamellae. Tibial spurs 1/0/1.

♂. Unknown.

Material examined. Types: ♀ holotype: MADAGASCAR: Antsiranana, Binara Forest , 9.1 km 233° SW Da- raina, 13°15.48’S 49°36.12’E, 650–800 m, 3.XII.2003, sifted litter (leaf mold, rotten wood), rainforest, B.L. Fisher leg.GoogleMaps  , code BLF 9656, ( CAS). Paratypes: MADAGASCAR: Antananarivo, Ambohitantely Special Reserve, Ambohitantely Forest , 20.9 km 72° NE of Ankazobe, 18°13.31’S 47°17.13’E, 1410 m, 17–22.IV.2001, sifted litter in montane rainforest, Fisher, Griswold et al. leg., BLF3694GoogleMaps  , 1♀ ( CAS); Antananarivo, 3 km 41°NE of Andranomay, 11.5 km 147° SSE of Anjozorobe, 18°28.24’S 47°57.36’E, 1300 m, 5–13.XII.2000, montane rainforest, sifted litter, Fisher, Griswold et al. leg., BLF 2378GoogleMaps  , 1♀ ( MOLC); Antsiranana, Andavakoera Forest , 21.4 km 75° ENE Ambilobe, 4.6 km 356° N Betsiaka, 13°07.06’S 49°13.48’E, 425 m, 15.XII.2003, sifted litter (leaf mold, rotten wood), rainforest, B.L. Fisher leg., BLF10260View MaterialsGoogleMaps  , 5♀♀ (4 in CAS, 1 in MOLC). Other material: MADAGASCAR: Antsiranana, Binara Forest , 7.5 km 230° SW Daraina, 13°15.18’S 49°37.00’E, 375 m, 1.XII.2003, MT, tropical dry forest, B.L. Fisher leg.GoogleMaps  , BLF 9556, 1♀ ( CAS); Antsiranana, Sakalava Beach , 12°15.46’S 49°23.51’E, 10 m, 15.II–6.III.2001, dwarf littoral forest, MT, across sandy trail, MA-01-04B-03, M.E. Irwin & R. Harin’Hala leg.GoogleMaps  , 1♀ ( CAS)  .

Hosts. Unknown.

Distribution. Madagascar.

Remarks. The two paratypes of M. humicolus  from Antananarivo Province. are very similar to the holotype, though they have legs that are differently coloured.


California Academy of Sciences














Madecadryinus humicolus Olmi, 2007

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van 2019

Madecadryinus humicolus

Azevedo, C. O. & Madl, M. & Olmi, M. 2010: 885
Olmi, M. 2007: 23