116 NOTES ON CHALCIDIJ!. 



fusco venosse. Fcem. — Subapterus. Antennae subclavatse, thorace 

 multo breviores, clava conica ; abdomen longi-conicum, tborace bre- 

 vius, dimidio basali luteo. 



Male. — Luteous. Head and antennae deep black. Antennae 

 filiform, a little sborter than the body ; club lanceolate, full twice the 

 length of the preceding joint. Prothorax short. Sutures of the 

 parapsides not traced. Scutcllum large, elongate-triangular. Meta- 

 thorax black, subquadrate. Abdomen black, sessile, nearly round, 

 luteous at the base, about half the length of the thorax, which it 

 equals in breadth. Wings pellucid ; veins brown ; humerus extend- 

 ing to about half the length ; ulna extremely short ; cubitus long, 

 shorter than the radius. Female. — Antennae subclavate, much shorter 

 than the body ; club conical. Abdomen elongate-conical, shorter than 

 the thorax, luteous for half the length from the base. Wings rudi- 

 mentary. Length of the body f — | line. 



Ectroma maderensis. Fcem. — Viridi-lutea, aptera ; caput latum »' 

 antennae nigrae, subclavatse, basi luteae, corpore multo breviores ; pro- 

 thorax transversus, bene determinatus ; metathorax quadratus, maxi- 

 mus ; abdomen nigrum, sessile, conicum, basi luteum, thorace multo 

 brevius ; oviductus albus, apice fuscus ; pedes pallide flavi. 



Female. — Luteous, apterous, tinged with metallic-green. Head 

 broader than the prothorax and the mesothorax. Antennae black, 

 subclavate, inserted close to the mouth, much shorter than the body ; 

 scape luteous, somewhat shorter than the flagellum. Prothorax 

 transverse, much developed. Paraptera large. Metathorax quadrate, 

 very large, broader than the mesothorax. Abdomen sessile, conical, 

 black, except towards the base, much shorter than the thorax. 

 Oviduct subexserted, white, except at the tip. Legs pale yellow. 

 Length of the body i line. 



"^ Gastrancistrus pallicornis. Fcem. — Viridi-niger ; oculi rufi, 

 maximi ; antennae pallidissime flavae, subclavatse, thorace paullo 

 longiores ; prothorax brevissimus ; parapsidum suturse bene determi- 

 natse ; abdomen longi-ovatum, depressura, subpetiolatum, thorace 

 multo angustius ; alae diaphanee, venis pallidissime Mavis. 



Female. — Greenish black. Head, with the eyes, nearly as broad 

 as the prothorax. Eyes red, very large, the breadth of each exceeding 

 that of the vertex between them. Antennae very pale yellow, sub- 

 clavate, a little longer than the thorax. Prothorax extremely short, 

 depressed ; sutures of the parapsides well defined. Abdomen 

 subpetiolated, elongate-oval, much narrower than the thorax. Legs 

 very pale yellow. Wings quite colourless ; veins very pale yellow ; 

 ulna less than half the length of the humerus. Length of the body 

 f line. 



